.Wonder is taking the Russo Bros. back to instruct the following pair of Avengers movies The VergeRobert Downey Jr. Collections Wonder Rebound as Victor von Ruin in 'Avengers: End Ofthe World' VarietyRobert Downey Jr. To Formally Return To The MCU As Medical Professional Ruin Forbes' Avengers' superstar Robert Downey Jr. returns to Marvel-- however as Doctor Ruin U.S.A. TODAYMCU's Physician Doom Appointed finally for Avengers: Doomsday, as well as It is actually Robert Downey Jr. |SDCC 2024 IGN.