Marvel's Secret Plan to Cast Robert Downey Jr. as Another Iconic Hero Before Iron Man

Robert Downey Jr. was initially considered for a different role in Iron Man

He ultimately secured the role of Tony Stark/Iron Man

Director Jon Favreau revealed that Downey had been considered for other characters in previous projects

Downey's casting made the director's job easier as he understood the character

Downey's portrayal brought authenticity and attracted other actors to the project

Kevin Feige credited Downey as a key reason for Marvel Studios' success

Downey retired from the role after Avengers: Endgame

He has appeared in only one film, Dolittle, since leaving the Marvel Cinematic Universe

Downey produced and starred in a documentary about his relationship with his late father