First Steps has finally hit theaters, and fans are going wild over the post-credits scene that sets the stage for Avengers: Doomsday. In a r

With Robert Downey Jr. proclaiming "New mask, same task" when he was revealed as the MCU's Doctor Doom, and Anthony Mackie stating that he is "continuing" his legacy, this feeds into the notion that Doctor Doom will be directly tied to the MCU's Iron Man.

For the first time, Robert Downey Jr. has shared the story behind his return to the Marvel Cinematic Universe as Doctor Doom in "Avengers: Doomsday."