The 'SNL' alum's role was revealed by the movie's director, James Gunn.
Cillian Murphy, Emily Blunt, Florence Pugh, Matt Damon and more star in 'Oppenheimer,' which hits theaters on July 21.
'Flamin Hot' tells the story of former PepsiCo employee Richard Montañez.
Jennifer Lopez and Lucy Paez chat with ET about their new film, 'The Mother,' streaming May 12 on Netflix.
Jennifer Lopez chats with ET about her new film, 'The Mother,' streaming May 12 on Netflix.
What do the credits mean for the future of the Guardians?
The 'Guardians of the Galaxy' cast spilled some 'E-Tea' about their final days of filming and what they'll miss the most.
The actress joined ET at the Avengers Campus at Disney California Adventure on Thursday.
Guardians of the Galaxy Vol. 3 is in theaters May 5.
James Gunn's trilogy has had some of the most epic needle drops in the MCU!
The director also recalls how he got the MCU's first F-bomb in the movie.
Nick and Priyanka Chopra Jonas chat with ET's Rachel Smith at the New York premiere of 'Love Again,' in theaters May 5.
Karen Gillan chats with ET at the New York City premiere of 'Guardians of the Galaxy Vol. 3,' in theaters May 5.
Ed Sheeran's Disney+ documentary, 'Ed Sheeran: The Sum of It All,' is streaming now.
