.Wonder is carrying the Russo Bros. back to instruct the upcoming two Avengers films The VergeRobert Downey Jr. Sets Marvel Rebound as Victor von Doom in 'Avengers: Doomsday' VarietyRobert Downey Jr. To Officially Come Back To The MCU As Physician Doom Forbes' Avengers' superstar Robert Downey Jr. comes back to Wonder-- yet as Doctor Doom United States TODAYMCU's Medical professional Ruin Appointed finally for Avengers: Doomsday, and It is actually Robert Downey Jr. |SDCC 2024 IGN.