Robert Downey Jr. returns to the MCU as Doctor Doom in Avengers: Doomsday, surprising fans. Downey Jr. may make his Doctor Doom debut in The Fantastic Four: First Steps before Avengers: Doomsday. Rumors suggest Downey Jr.'s Doctor Doom will be empathetic and from the same universe as the Fantastic Four.

Avengers: Doomsday arrives in theaters on May 1, 2026, followed by Avengers: Secret Wars on May 7, 2027. Both films will be directed by the Russo brothers, who also make their MCU return after helming Captain America: The Winter Soldier, Captain America: Civil War, Avengers: Infinity War and Avengers: Endgame.

Actor Sebastian Stan recently expressed his thoughts on Robert Downey Jr.’s return to the MCU as Doctor Doom in Avengers: Doomsday. Sebastian Stan, who is set to reprise his role as Bucky Barnes in Marvel Studios’ Thunderbolts*,

Ever since it was announced that Doctor Doom would be played in the MCU by Robert Downey Jr, previously the lynchpin of the universe as the now-dead Tony