During a candid appearance on ACE Universe Presents: A Conversation with Chris Evans & Scott Evans, our beloved Captain America himself was asked by a fan if he could switch roles with anyone else in the MCU (Marvel Cinematic Universe), who would it be and why. Interestingly, Chris chose his on-screen and off-screen bestie Robert Downey Jr.'s Iron Man."I'll say, I mean, I'll say Downey, Iron Man.