'Avengers: Doomsday' Cast on Why Chris Evans Returned, Doctor Doom's Past & the Original X-Men

Go behind the scenes of 'Avengers: Doomsday' as the cast breaks down the biggest reveals unveiled at San Diego Comic-Con. Pedro Pascal, Robert Downey Jr., Chris Evans, Paul Rudd, David Harbour, Letitia Wright, Rebecca Romijn, Kelsey Grammer, and Lewis Pullman sat down with us before anyone else, just moments after Marvel debuted exclusive new footage, to discuss Doctor Doom's origins, Robert Downey Jr.'s transformation from Tony Stark to Victor Von Doom, the long-awaited arrival of the original X-Men in the MCU, and the film's biggest new storylines.

Chris Evans reveals he turned down multiple Marvel pitches before finally agreeing to return as Steve Rogers, while Robert Downey Jr. opens up about the transition from hero to villain and the "isolated vibe" on the other side of the bad guy mask. Pedro Pascal discusses the Fantastic Four's connection to Doom, and Rebecca Romijn and Kelsey Grammer revisit Mystique and Beast more than two decades after the original 'X-Men' films, teasing Rebecca’s “fierce” fight with Florence Pugh. Letitia Wright reveals how Shuri has evolved as Wakanda's leader, Paul Rudd shares what it was like joining Marvel's largest ensemble yet, and David Harbour and Lewis Pullman tease where the Thunderbolts fit into the fight ahead. Plus, hear the cast hint at what's still to come in 'Avengers: Doomsday' and how it could connect to 'Avengers: Secret Wars.'