Robert Downey Jr. Returns as Doctor Doom in Epic MCU Crossover
Marvel Studios has officially revealed the highly anticipated cast of Avengers: Doomsday during a five-hour livestream event. Fans were left in shock as Robert Downey Jr. emerged as the final reveal—not as Iron Man, but as the villainous Doctor Doom.
A Massive Marvel Crossover: Avengers

The film promises to be a groundbreaking crossover, blending the Avengers franchise with X-Men, Fantastic Four, and Thunderbolts. The star-studded lineup includes original X-Men actors, the new Fantastic Four cast, and fan-favorite heroes from across the MCU.
Key Returning Stars:

• Thor & Loki Reunite: Chris Hemsworth (Thor) and Tom Hiddleston (Loki) return for their first on-screen reunion since Avengers: Endgame.
• X-Men Legends Return: Patrick Stewart (Professor X) and Ian McKellen (Magneto) will be joined by Alan Cumming (Nightcrawler), Rebecca Romijn (Mystique), James Marsden (Cyclops), and Kelsey Grammer (Beast).
• Channing Tatum’s Gambit: After years of waiting, Channing Tatum’s Gambit is officially back.
Other Major Cast Members:
• Vanessa Kirby (Sue Storm)
• Pedro Pascal (Reed Richards)
• Joseph Quinn (Johnny Storm)
• Ebon Moss-Bachrach (Ben Grimm)
• Simu Liu (Shang-Chi)
• Florence Pugh (Yelena Belova)
• Anthony Mackie (Captain America)
• Sebastian Stan (Bucky Barnes)
• Letitia Wright (Shuri)
• Paul Rudd (Ant-Man)
• Wyatt Russell (John Walker)
• Winston Duke (M’Baku)
• Tenoch Huerta (Namor)
The Russo Brothers Return
The film will be directed by Avengers: Infinity War and Endgame filmmakers Anthony and Joe Russo. The duo has teased that Avengers: Doomsday will mark the beginning of a new era for the Marvel Cinematic Universe.
Release Date
Avengers: Doomsday is set to hit theaters on May 1, 2026, followed by Avengers: Secret Wars on May 7, 2027.