Comic-Con 2019 Saturday Live-Blog: Marvel's Hall H Panel, 'Star Trek: Picard,' 'Riverdale' and More

One of Saturday's last events was Marvel's epic Hall H panel which was, of course, shrouded in secrecy. But the comic canon juggernaut made it well worth the wait, announcing over a dozen new projects in the works -- some of which were total surprises!

From Angelina Jolie joining the MCU in The Eternals to Mahershala Ali taking on the role of Blade, there are so many things to get excited about in the MCU! Check out ET's live blog of the Marvel panel for an in-depth look at everything that was announced.

While this season's epic Crisis on Infinite Earths crossover was teased in last season's three-show event, as well as in the Arrow finale, it seems it won't take too long for the worrisome news to travel from Star City to Central City.

Grant Gustin told fans during The Flash panel on Saturday that Barry Allen will receive a visit from Mar Novu, The Monitor, during the season premiere, who will warn him of his "impending demise."

Sir Patrick Stewart and the cast of Star Trek: Picard sat down with ET's Kevin Frazier at Comic-Con on Saturday, where the legendary actor opened up about where the new series picks up with his character -- 20 years after Star Trek: Next Generation ended.

"Retirement is not what he was looking for, not what he wanted," the actor explained. "It was an impulsive act that put him in this situation, and he's lived with a certain amount of guilt about it for many years and that's where we pick up the show."

When asked what drew him back towards the beloved character, Stewart was earnest. "The intentions of our creative team, the writers and my co-executive producers."

"When I met with them it was to tell them why I was going to turn the show down," he admitted. "Because they had been so courteous and polite and I wanted to make it clear that it was nothing that I held against the show, but there [was] a feeling that it was in my past. It was over and I just wanted to keep moving on. And then I saw what they were intending and planning and I saw that if I did the show, I would still be moving on and that was too appealing for me to turn it down."

There was no shortage of love for the show and Stewart himself at Comic-Con this year, and the star said he's always had an understanding of "the power of the show."

"I'll never forget the season of TNG when Whoopi Goldberg joined us, and she'd just won an Academy Award and I said, 'Why would you want to do a syndicated science fiction show when you're an Academy Award winner?'" he recalled. "And she told me this little story about her childhood, and how she watched the original series, the very first one. And she would look at the character of Uhura [played by Nichelle Nichols] and she said, 'I told myself, well, one of us made it.'"

Stars KJ Apa, Camila Mendes, Lili Reinhart, Cole Sprouse and Madelaine Petsch stopped by ET's Comic-Con suite on Saturday to give us an update on all the swoon-worthy scenes headed our way in Riverdale's next chapter.

There's nothing to worry about when it comes to Veronica Lodge (Mendes) and Archie Andrews (Apa). That's what the actors say, at least. 

"Varchie is looking pretty solid, am I right KJ?" Mendes said as she directed herself to her on-screen love interest, Apa, who replied, "Pretty solid. Very solid."

As for Betty Copper (Reinhart) and Jughead Jones (Sprouse), they might go through their ups and downs.

"I think they are going strong," Sprouse said before revealing that "Jughead goes to prep school in this season. He's only back in Riverdale on the weekends."

However, Reinhart added that the "distance will probably cause some stress."

"I think that is going to inevitably put stress on the relationship between Betty and Jughead," Sprouse added. "I think it might be a little bit tense. They might fall, turn away from each other, only to come back together way stronger. I think they're gonna be really good."

And rocky roads might be in the near future for Cheryl Blossom (Petsch) and Toni Topaz (Vanessa Morgan).

"Cheryl is keeping a dead body in her basement, and her girlfriend doesn't know about it, so I would say rocky roads are ahead," Petsch admitted. "But, as far as we know, right now they are very happy. We’ll see what happens. ... [Cheryl] definitely needs some happiness, but it wouldn't be Cheryl Blossom if there's not a little chaos."

During the Supergirl panel, star Melissa Benoist celebrated her new super suit and the fact that she's gearing up to direct an episode in the upcoming fifth season.

But the panel also got emotional when Mehcad Brooks, who won't be returning this fall, said a tearful farewell to the series.

"I'm just really proud of what we were able to accomplish in the last five years," Brooks told the crowd. "I didn't grow up able to see a superhero that looked like me, at all. And the fact that these guys took a chance on somebody who does not look like Jimmy Olsen, and made me him... This the most important job of my life so far, so I just want to say thank you."

The cast of Star Trek: Discovery -- Sonequa Martin-Green, Rebecca Romijn, Ethan Peck and David Ajala -- sat down with Kevin Frazier at Comic-Con on Saturday, and they were clearly having a blast!

"The love is intoxicating," Martin-Green said of visiting the annual fan convention. "Because there's so much love and positivity and then, obviously, Star Trek represents such beautiful things, such a beautiful truth. So, to be a part of it, to represent it, is an honor."

Martin-Green took her place in the franchise's history when Discovery premiered in 2017 -- becoming Star Trek's first black female lead. "I can't even express what it means to me," the actress marveled. "You know, we have so many elements of diversity on our show and, you know, we're trying to push that needle forward and keep up with the essence of what Star Trek is. Being a black woman at the helm of it and hearing from young girls, especially, it makes me cry and I just thank God."

Ajala joins the cast this season as a newcomer, but he played coy about how his character might factor into Discovery's time-bending storyline.

"I'm playing Cleveland Booker, Book for short, and he's a man on a personal mission who bumps into Burnham [Martin-Green's character]," the actor explained. "Is she a friend? Is she a foe? We'll find out, I guess."

The cast of Arrow made their last Comic-Con appearance in Ballroom 20 on Saturday to celebrate their upcoming eighth and final season -- and the cast made sure to pay tribute to the man who has embodied the show's titular role over the past seven years: Stephen Amell.

"I've not worked with anyone who cares more about the fans, about the crew, for the writing," David Ramsey praised. "There really would not have been any comic book universe -- not just DC -- on TV, after Smallville, without Stephen Amell."

"I'm so proud of him, and I'm so impressed with him -- and everybody on our show," Katie Cassidy agreed. "We all just sort of gelled together and worked, and he was the leader."

The cast of The Boys sat down with ET's Kevin Frazier to dish on their new Amazon Prime Video show, which basically poses the question: What if superheroes were jerks?

The show, based on a comic book by Garth Ennis and Darick Robertson, takes place in a world where the world's superheros have embraced the dark sides of their fame and power -- and follows a vigilante squad of citizens who aim to keep them in line.

"We're The Boys, we're a vigilante group, we've got no superpowers and it's our job to take these guys down." explained Karl Urban, who plays Billy Butcher, when asked about the show's concept.

"I manage the superheroes, so I'm really the most powerful. I just know that I own them all, I make all their deals, I make them a lot of money," Elizabeth Shue said of her role as dealmaker Madelyn Stillwell. "We are part of the most important company in the world, basically Amazon, Facebook, Google all in one, and these are the most powerful people …and I am in charge of them all."

The Boys premieres on Amazon Prime Video on July 26.

The cast of The Good Place -- Kristen Bell, Ted Danson, Jameela Jamil, William Jackson Harper, D'Arcy Carden, Marc Evan Jackson, and Manny Jacinto -- sat down with ET's Keltie Knight to dish as much as they could about their upcoming final season.

"We were all a little bit mad at [creator] Mike Schur when he said, 'I have to end the show,' but then he told us why and how and the what of it all, we were like, 'Oh yeah, that's the right ending,'" Bell said. "It's the best worst feeling you could have, 'cause we don't wanna leave each other. We really like having the purpose of the show, funny things, but also how to be a good person -- but we also know that this is the right move."

On their secret for keeping spoilers from eager fans, the cast was adamant: "Not tell Ted!" 

Danson didn't deny his proclivity for revealing spoilers -- even when Jamil noted that he was the reason the cast didn't receive their finale scripts prior to Comic-Con -- simply cracking a smile and replying, "Everybody loves good news and they love the messenger."

The Walking Dead stars Norman Reedus, Jeffrey Dean Morgan and Cailey Fleming sat down with ET's Leanne Aguilera on Saturday to dish on the upcoming season and some possible love in the air.

Some of the show's fans have long been rooting for a romance between Reedus' character, Daryl, and Melissa McBride's character, Carol. The pair even shared a "sweet scene" in the season 10 trailer, but Reedus isn't quite convinced.

"Melissa's lovely, but Carol has been a real pain in the butt for Daryl this season," the actor admitted. "But I love working with Melissa, she's dynamite. We have such a good rapport, and we're good friends and we have fun."

"See for me, when Ezekiel and Danai kissed, I thought it opened the door for you and Carol," Morgan observed of another trailer scene. "I was like, oh, good!"

A day after it was announced that Danai Gurira would be officially exiting The Walking Dead, the actress opened up to ET's Kevin Frazier about her bittersweet departure.

"It was a very difficult decision. I love that home. It has been one of my purest joys to play that character," Gurira said of her role as Michonne. "I have had a home and a family for eight years. That is not a short time. I've killed a lot of zombies…It's a home and it’s a family and a lot of folks you don't see. The folks behind the cameras that you don't see."

"It wasn't an easy decision and is something that will always be a part of me," she added. "And I will always be so grateful for the time I've spent [on the show]."

As for teasing what's next for her in the Marvel universe, and if there would be some Black Panther 2 news at Comic-Con, Gurira wouldn't divulge.

"Why would I do that?" she replied with a laugh. "No we just gotta let that play out…There's always something special at the Marvel panel."

Guillermo del Toro joined ET at Comic-Con to talk about the upcoming adaptation of the beloved horror anthology Scary Stories to Tell in the Dark, which he produced.

"Three generations of adults, most everybody, or their parents, or their older brothers or siblings, they've read the book," the acclaimed director explained. "And they're beautiful because, like, they're PG-13, not an anthology, it's a single story. But three generations know what tales are gonna be there and they know they have this campfire sort of fun, scary factor."

Del Toro may be an Oscar winner, but said he always loves returning to Comic-Con. "I've been coming here for decades and I really love it because no matter how much we can see entertainment becoming corporate, the love of the fans remains authentic," he said. "The attachment to the characters, their roots, their mythology, this is a place where it's taken seriously for the right reasons."

What exactly is Westworld season three? 

We're still not quite sure, but we got a much better idea at the HBO series' panel at San Diego Comic-Con on Saturday, when the futuristic drama released the very first trailer. 

Showrunners Jonathan Nolan and Lisa Joy took the stage at Hall H alongside stars Thandie Newton, Tessa Thompson, Evan Rachel Wood, Jeffrey Wright, Luke Hemsworth and newcomer to the series, avid fan Aaron Paul, who expressed excitement over being part of the cast.

The trailer revealed that Westworld is set in the distant future, around 2050 to 2060, but also sees Newton's character in Nazi Germany. While Nolan and Joy were coy about specifics surrounding the season, they revealed that season three's theme is "The New World" and they may or may not be out of the park.

Familiar faces from Star Trek: Voyager and Star Trek: The Next Generation are coming to Star Trek: Picard.

CBS All Access' anticipated new series featuring the return of Patrick Stewart as Jean-Luc Picard made a splashy Hall H debut on Saturday afternoon during the 90-minute "Enter the Star Trek Universe" panel, premiering the first official trailer, which revealed Jeri Ryan, Brent Spiner and Jonathan Del Arco would be reprising their Star Trek characters Seven of Nine, Data and Hugh the Borg. 

Marina Sirtis and Jonathan Frakes will also return.

Ryan, Spiner and Del Arco made special appearances during the panel, and they shared how they unexpectedly made their way back to their iconic Star Trek roles many years later.

"To be honest, over a year ago, I was at the Hollywood Bowl with one of the producers and he, after about four glasses of champagne, [brought up the possibility]," Ryan shared, admitting that she wasn't planning on a return. "I kept hearing it from other creators of the show over the course of the year. But I never thought it was going to happen. And here we are!"

Yara Shahidi sat down with Kevin Frazier to open up about her involvement with Stan Lee's Alliances: A Trick of Light, and also rave about her friend and Grown-ish co-star, Halle Bailey, who was recently cast as Ariel in Disney's live-action adaptation of The Little Mermaid.

"That’s amazing, because she is Ariel," Shahidi gushed. "Like, if you know her, she is the most ethereal voice and... Chloe and Halle are two powerful young women. I don’t know other people who produce and write their own music, that are so involved in their process, that take their art so seriously and have such a great message."

"To see Halle in this role, it redefines what it means to be a princess and I think she does maintain all of those classic traits of Ariel while still bringing that sense of confidence and empowerment."

Anthony Mackie and Sebastian Stan sat down with Kevin Frazier on Saturday where they shared how they are doing since the release of Avengers: Endgame.

"The world's a mess," Stan joked. "These are dark times."

As for Mackie, he said, "It's been great. We have been on a pretty nice vacation," with Stan adding, "I think we're OK."

The two also dished on what fans can expect on their upcoming Disney+ series, Falcon and Winter Soldier.

"There's an angry guy with one arm and there's a confused guy with wings and they're in a show together," teased Mackie.

"We're just going to do our best to survive," Stan added.

Star Trek: Discovery made its Hall H debut at San Diego Comic-Con on Saturday morning as part of a 90-minute Star Trek panel with star Sonequa Martin-Green, executive producers Alex Kurtzman and Heather Kadin, and co-showrunner Michelle Paradise on hand to preview the upcoming third season. And they made their 20-minute session count, announcing a major addition for the new season, special guests and sharing a first look.

David Ajala (Supergirl, Nightflyers) was the surprise guest on the Star Trek: Discovery panel, joining season three as a mischievous new character named Cleveland "Book" Booker. Smart and capable, Book has a natural charisma and devil-may-care attitude that tends to get him into trouble as often as it gets him out.   

"Book is going to be a character who is going to break the rules a little bit. It's always fun to break the rules a little bit, and it starts right from the beginning of the season," the British actor teased. 

Kurtzman added that Book is a character who isn't who he appears to be, teasing that trouble awaits the USS Discovery crew when they arrive nearly a century into the future and that they will not have arrived in the same place, so reuniting may be a tall task in itself.

The Supergirl cast sat down with Leanne Aguilera on Saturday, where star Melissa Benoist opened up about her new supersuit and the upcoming crossover!

"I know Stephen [Amell] and Grant [Gustin] have had new [suits] every year and I was always like, 'Nah, I'm good!" Benoist recalled of getting her new look for the show's upcoming fourth season. "The skirt was so iconic and so symbolic and very synonymous with the comic book version …And then we moved to Vancouver and it was cold and rainy. And it feels like right. It feels like the right evolution and the right time to do it."

As for the upcoming crossover, Benoist said she was looking forward to working with two Supermen -- Tyler Hoechlin and Brandon Routh -- as well as "palling around" with Batwoman herself, Ruby Rose.

The cast of Carnival Row sat down with ET's Keltie Knight on Saturday to dish on their upcoming neo-noir fantasy series on Amazon Prime Video.

Cara Delevingne, who plays Vignette Stonemoss in the series, joked that her role as a "pansexual faerie" is "kind of typecasting," but said she had a blast embodying the winged beauty.

"The whole thing about fairies is they’re extremely sensitive creatures, but they’re all about love and giving back to the world what they have," she said. "They’re really amazing."

Some of her co-stars, who play humans, admitted to "wing envy," as Delevingne opened up about her amazing costume.

“[The wings] are actually quite sensual," she explained. "They really respond to emotion, I feel like faeries can feel and hear things more than other people. They’re kind of amazing.”

Co-star Orlando Bloom even joked about nicking a pair of the faerie wings for fiancee Katy Perry.

"She’d love some wings," he joked. "I might bring her back some of those cardboard ones, just as gesture."

Carnival Row is set to premiere Aug. 30 on Amazon Prime Video.

Grant Gustin, Candice Patton and the cast of The Flash zoomed into ET's Comic-Con suite on Saturday to tease the new big bad of season six and what's ahead for Central City's cutest couple: West Allen.

Gustin said the season picks up directly after the season five finale, as the couple is still mourning having to say goodbye to their future daughter, Nora (Jessica Parker Kennedy).

“We’re pretty much still dealing with the shock of it, and Barry is trying aggressively to be optimistic and move forward and probably, to a fault, not dealing with it in all the way he should be dealing with it," the actor said.

“And I think you’ll see kind of early on, Iris kind of questions how they’re both dealing with it," Patton added. "They really talk about what the appropriate way is to kind of grieve Nora so that they can move forward in a positive way and get back to Team Flash, and do it in a way so that they can sustain themselves as a married couple."

While the grieving period is definitely going to "shake it up" for the couple, Gustin assured there's no need to be concerned about their future. "There’s tension, but we are coming closer in some ways too," he said.

"It’s good marital tension, where it’s like, you’re not afraid of them getting divorced, but they’ve got stuff to work out, you know?" Patton added.

The Flash returns this fall on The CW.

Arrow stars Stephen Amell, Katie Cassidy, Julianna Harkavy, Rick Gonzalez and David Ramsey sat down with ET's Leanne Aguilera to dish on their upcoming final season -- which is all building to the epic Crisis on Infinite Earths crossover.

While the cast predictably stayed tight-lipped on spoilers, Amell was able to offer this tidbit: "I’m gonna play more than one character in the crossover. They’re all named Oliver, if that helps."

However the cast didn't have to hold back when it came to their praise for former co-star Emily Bett Rickards, who departed the show after seven seasons this spring. 

While they didn't have any information about Rickards' possibly returning for a scene in the final season, Amell assured, "We miss her a lot."

"I texted her when I was on the plane to Vancouver last week, and I just texted her that I was sad," he recalled. "The show feels different, in no small part because Em Bett's not with us anymore."

Arrow returns this fall on The CW.

Taron Egerton and The Dark Crystal: Age of Resistance producers Louis Leterrier and Lisa Henson sat down with ET's Kevin Frazier on Saturday to discuss their upcoming show -- as well as the special guest appearance by Mark Hamill, who stars in the series and popped up during the show's panel on Friday.

"I was weak in the knees! I mean, that’s Luke Skywalker," Egerton gushed. "The great thing about Mark is, in terms of movies of this era, you know, the ‘80s period, he really is an icon. There’s something that just feels really appropriate about him being involved in this series."

As for how the Rocketman star got involved with the new series -- which is a prequel to the cult classic 1982 film -- he said it was a long time coming.

"I really love voice work. And there can be lots of opportunities to be involved with animation, as an actor, but something like this -- a kind of quite classic, Henson product, in that it’s all done with puppets -- those opportunities don’t come along very often," he explained. "So for me, that in itself would have been exciting enough. I’m also just a massive fan of The Dark Crystal, the 1982 film, and it’s a great honor to be a part of this new chapter."

However, while we've seen him as Elton John and will soon be seeing him as a Gelfling, Egerton said there's no truth to the rumors that he'll soon be suiting up as Wolverine.

"I’m surprised by it," the actor said of the speculation. "I never really thought of myself that way, that anyone would ever think that that was a possibility. There’s no truth to it, but it’s a lovely rumor."

The cast and creative team behind TBS' upcoming Snowpiercer series sat down with ET's Kevin Frazier on Saturday, where they dished on their upcoming adaptation -- revealing that the first trailer for the show would be dropping during their panel later that day.

"It's gonna kick Top Gun's a**!" EP Graeme Manson joked.

"Tell Tom Cruise, Graeme is in the lobby!" star Daveed Diggs chimed in.

The cast was of course poking fun at Cruise's epic Comic-Con appearance on Thursday, when the superstar surprised fans with a Hall H appearance to debut the first trailer for Top Gun: Maverick, which also happens to star Snowpiercer's Jennifer Connelly.

"I think the trailer looks amazing, I have to say," Connelly told Frazier. "For me, every part of the project has exceeded my expectations. Watching the trailer, being on the set, my experiences shooting, it's been phenomenal."

As for Snowpiercer, which is based on Bong Joon-ho's 2013 film of the same name, as well as the original 1982 French graphic novel Le Transperceneige, Diggs opened up about playing a prisoner whose life changes after venturing from the desolate tail of the train to the higher-class cabins.

"There's some interesting psychology going on with the class structure of this train," he noted. "Imagine not seeing outside for seven years. What does that do to a person?"

Snowpiercer is set to premiere on TBS in spring 2020.