Marvel Reveals Key Robert Downey Jr. Doctor Doom Story Details For Avengers: Doomsday

Robert Downey Jr. is set to rejoin the Marvel Cinematic Universe in 2026, but not as Iron Man. He’ll be playing the villain Doctor Doom in the upcoming film, Avengers: Doomsday. Marvel has been secretive about the plot, but they’re now starting to reveal details about Downey Jr.’s new role and return to the franchise.

Bleeding Cool reports that Marvel will be reprinting the popular Iron Man series, Infamous Iron Man, by Brian Michael Bendis and Alex Maleev. This reprint will include a new subtitle, The Rise of Doom, and marketing materials seem to be connecting it to Robert Downey Jr.’s potential portrayal of Doctor Doom in the upcoming Avengers: Doomsday movie.

Robert Downey Jr., famous for playing Iron Man, is back – but this time as Doctor Victor Von Doom! In Marvel Studios’ Avengers: Doomsday, hitting theaters December 18, 2026, the classic Marvel villain will attempt something unexpected: becoming a hero. Where Tony Stark struggled, Doom believes he can triumph. But what exactly is Doom hoping to achieve with this new path?

Everyone is wondering what’s happening—including characters like Ben Grimm, Pepper Potts, and the new Iron Man, Riri Williams! Doctor Doom is battling a powerful cosmic foe and a long-lost enemy he believed was gone forever. But the biggest mystery is the surprising truth about his resurrected mother. Surrounded by enemies, can Victor continue Iron Man’s legacy while being constantly shadowed by his own past as Doom?

The complete 12-issue collection will be released on July 14, 2026, about five months before the movie Avengers: Doomsday comes out. You can pre-order it now for $19.99.

Filming for Avengers: Doomsday finished on September 19, 2025, and the first trailer is expected to be released this month. Fans will finally get a good look at this major movie in Phase 6 of the Marvel Cinematic Universe, and the trailer will likely offer some hints about the story and Robert Downey Jr.’s character, Doctor Doom.

Now that Marvel is reprinting Infamous Iron Man, it’s a good time to recall Robert Downey Jr.’s announcement at San Diego Comic-Con 2024. He said, “New mask, same task,” while revealing he’d be playing Doctor Doom in future Avengers movies. The title The Rise of Doom suggests the MCU might be drawing inspiration from the comics to shape Victor Von Doom’s story.

If Robert Downey Jr.’s Doctor Doom believes he’s a hero instead of a villain, it makes the story even more intense. Considering the possibility of major character deaths in Avengers: Doomsday, the stakes are incredibly high as the Avengers prepare for Avengers: Secret Wars.

Avengers: Doomsday opens in theaters on December 18, 2026.

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2025-12-09 20:38