Warning: This post contains potential spoilers for Avengers: Doomsday.
Robert Downey Jr.’s Victor von Doom / Doctor Doom is not alone in Avengers: Doomsday; instead, he will reportedly have a team similar to Thanos in Avengers: Infinity War.
According to insider Daniel Richtman in a Patreon post, Doctor Doom will reportedly have multiple masked sidekicks in Avengers: Doomsday. They will be both men and women, and it is unclear whether they are followers or variants.
As we recently reported, Lucia von Bardas will be one of Doctor Doom’s female sidekicks in Avengers: Doomsday. The film also features multiple Doctor Doom variants. At least two of these variants are female: one wears a purple cloak with a golden mask, while another wears a gold cloak with a mask.
A recent rumor from scooper Alex P (via The Cosmic Circus) says that in Doomsday, Doom has a group called the “Harbingers of Doom.” Reported members include Captain Hydra, Maestro Hulk, and King Thanos, possibly mixed with Doom variants or Doombots. The group is inspired by Hickman’s Parliament of Doom and is tied to the Incursion crisis.

Marvel Studios has now released four teasers for Avengers: Doomsday, featuring Steve Rogers, Thor, the X-Men, and the Wakandans and Fantastic Four. Following this, the Russo brothers teased Avengers: Doomsday, saying, “What you’ve been watching for the last four weeks are not teasers or trailers. They are stories. They are clues. Pay attention.”
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!”
Announced Cast for Avengers: Doomsday
- Robert Downey Jr. as Doctor Doom
- Chris Evans as Steve Rogers
- Paul Rudd as Ant-Man
- Simu Liu as Shang-Chi
- Tom Hiddleston as Loki
- Florence Pugh as Yelena Belova
- Danny Ramirez as Falcon
- Sebastian Stan as Bucky Barnes
- Winston Duke as M’Baku
- Chris Hemsworth as Thor
- Letitia Wright as Black Panther
- Tenoch Huerta Mejía as Namor
- Anthony Mackie as Captain America
- David Harbour as Red Guardian
- Wyatt Russell as U.S. Agent
- Hannah John-Kamen as Ghost
- Lewis Pullman as Sentry
X-Men cast:
- Ian McKellen as Magneto
- Patrick Stewart as Professor X
- Rebecca Romijn as Mystique
- James Marsden as Cyclops
- Kelsey Grammer as Beast
- Alan Cumming as Nightcrawler
- Channing Tatum as Gambit
Fantastic Four cast:
- Pedro Pascal as Reed Richards (Mr. Fantastic)
- Vanessa Kirby as Sue Storm (Invisible Woman)
- Joseph Quinn as Johnny Storm (Human Torch)
- Ebon Moss-Bachrach as 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, and Avengers: Secret Wars is scheduled for release on December 17, 2027.
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