The MCU Secretly Explained Why Robert Downey Jr. Couldn’t Have Returned As A Different Iron Man 5 Years Ago

Many ideas have circulated about how Iron Man could return after Tony Stark’s death in Endgame. However, it now appears Robert Downey Jr. will instead play Doctor Doom, the main villain in the upcoming Avengers: Doomsday movie. This shift seems to be happening because the Marvel Cinematic Universe has evolved significantly since Iron Man was last seen.








