Following the death of Iron Man, Avengers: Doomsday sees Robert Downey Jr. return to the Marvel Cinematic Universe as none other than Doctor Doom, the notorious enemy of the Fantastic Four (who also has the most unimpressive ride with somehow the longest line Universal Studios Islands of Adventure in Orlando, Florida).

While promoting “The Electric State,” the Russo Brothers said they believe there’s no better actor than Robert Downey Jr. to play Doctor Doom in the upcoming “Avengers: Doomsday” film.

Joe Russo also said that Downey is “writing backstory, costume ideas,” adding, “I think he just loves really rich three-dimensional characters and I think he sees a real opp