Avengers' director Joe Russo recently revealed who had the genius idea to bring Downey back, not as Tony Stark, but as the Fantastic Four villain Doctor Doom.

Robert Downey Jr. had it all and lost it to addiction. Drugs, prison, and a Hollywood blacklist later, here is how he rewrote the whole damn rulebook.

After hours of literally nothing but shots of chairs, Marvel’s big Avengers: Doomsdaycasting announcement ended with an appearance by Robert Downey Jr., who’s returning to the Marvel Cinematic Universe after five years of “retirement” to play the new Doctor Doom in the film.