EXCLUSIVE: Ben McKenzie and 'Gotham' Co-Stars Promise 'Girl Power' in Season 3 -- Plus, Poison Ivy Is Introduc

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Get ready for a new season of Gotham!
Ben McKenzie and his superhero drama co-stars joined ET’s Leanne Aguilera for a Facebook Live chat during day three of Comic-Con on Saturday, where they dished on what's in store for Gotham City's residents.
"There's a lot of girl power this season!" McKenzie reveals.

Jessica Lucas, who plays Tabitha Galavan on the show, elaborates, "We team up and open a nightclub in Gotham called Sirens. It's gonna be the new hang out for criminals, and all the people of the underworld."

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And Camren Bicondova, who plays Selina Kyle (a.k.a. 'Catwoman') confirmed that there will probably be some major catfights (get it?) in store between her and the new older, recast Ivy.
"Poison Ivy will be introduced," Bicondova reveals of the recast character, who will now be played by Maggie Geha. "She's 5 years older than the Ivy that we have known, and the relationship between Ivy and Selina ... will be reversed."
"Selina's always been this older sister and now that Ivy is older physically than Selina, it's gonna be a bit of a power struggle,” she adds.
Check out the whole chat below for more.
To see what happens between Selina and Poison Ivy, we'll have to wait until the third season of Gotham premieres on Monday, Sept. 19 on Fox.