(WARNING: This post contains potential spoilers for Marvel’s Avengers: Doomsday.)
Robert Downey Jr.’s Doctor Doom will reportedly have a major wizard ally by his side during the events of Avengers: Doomsday.
According to insider Daniel Richtman in a new Patreon post, “Doctor Doom’s right-hand man in Avengers: Doomsday is reportedly a wizard who can use a sling ring. He wears a mask similar to Doom’s, but with a slot for a third eye on his forehead.”

We previously reported that Doctor Doom’s right-hand man is Doctor Strange. In addition to him, Doom also has several powerful followers, including Wanda from Earth-616, Clea, a shapeshifter who takes the form of Peggy, and Master Hulk. That makes five powerful allies working alongside Doom.
In Doomsday, Doctor Strange believes the Avengers cannot stop the multiverse from collapsing. Doctor Doom offers him a plan and full control over magic, so Strange joins him and becomes his right-hand man. He helps carry out Doom’s plan, manages the Incursions, and controls the TVA. Strange focuses only on saving the multiverse, even if it means ignoring other heroes.
Strange works with Doom because he believes Doom’s plan is the only way to stop the Incursions and save the multiverse.
Avengers: Doomsday will undergo additional photography for actors who were unable to film last year. Production is set to resume in April 2026.
Directed by the Russo brothers from a screenplay by their longtime collaborator Stephen McFeely and Michael Waldron.
Here’s the plot synopsis for Avengers: Doomsday:
“Doctor Doom has officially arrived on the Marvel Cinematic Universe stage. This villain, a master of cutting-edge science and powerful magic, will unleash a cascading crisis across the multiverse. Marvel’s most iconic actor, Robert Downey Jr., also returns as Doctor Doom!”
Confirmed Cast for Avengers: Doomsday
Main MCU Heroes:
- Robert Downey Jr. – Doctor Doom
- Chris Evans – Steve Rogers
- Paul Rudd – Ant-Man
- Simu Liu – Shang-Chi
- Tom Hiddleston – Loki
- Florence Pugh – Yelena Belova
- Danny Ramirez – Falcon
- Sebastian Stan – Bucky Barnes
- Winston Duke – M’Baku
- Chris Hemsworth – Thor
- Letitia Wright – Black Panther
- Tenoch Huerta Mejía – Namor
- Anthony Mackie – Captain America
- David Harbour – Red Guardian
- Wyatt Russell – U.S. Agent
- Hannah John-Kamen – Ghost
- Lewis Pullman – Sentry
X-Men Universe:
- Ian McKellen – Magneto
- Patrick Stewart – Professor X
- Rebecca Romijn – Mystique
- James Marsden – Cyclops
- Kelsey Grammer – Beast
- Alan Cumming – Nightcrawler
- Channing Tatum – Gambit
Fantastic Four Universe:
- Pedro Pascal – Reed Richards (Mr. Fantastic)
- Vanessa Kirby – Sue Storm (Invisible Woman)
- Joseph Quinn – Johnny Storm (Human Torch)
- Ebon Moss-Bachrach – Ben Grimm (The Thing)
Produced by Kevin Feige, Louis D’Esposito, and Russo Brothers will produce through their AGBO banner.
Avengers: Doomsday will be released in theaters and IMAX across the United States on December 18, 2026.
Source: Daniel Richtman
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