We all know Robert Downey Jr. is on his way back to the Marvel Cinematic Universe as Doctor Doom in <em>Avengers: Doomsday</em>, though there's many still wondering if it will lead to a secret Iron Man return in the film. Considering they've already confirmed he's playing Victor Von Doom, part of me doubts Tony Stark will be back in the movie. That being said, with there being a comic storyline in which Doom swapped out his mind for Stark's, I would actually find it intriguing if it's revealed Downey Jr.'s return is that of an essentially mind-controlled Stark and the real Doom is waiting in the wings to come in for <em>Secret Wars</em>.
