Avengers: Doomsday Leaks & Rumors: What’s Really Happening in the MCU’s 2026 Epic?

Spoiler Warning: This article contains potential spoilers, leaks, and rumors about Avengers: Doomsday. Proceed with caution if you want to avoid surprises for the MCU’s 2026 blockbuster!

The Marvel Cinematic Universe’s Avengers: Doomsday is heating up with a flurry of leaks and rumors in the past week, sending fans into a frenzy as the 2026 release date looms closer. Directed by the Russo Brothers and featuring Robert Downey Jr. as the iconic Doctor Doom, this film promises to reshape the MCU’s Multiverse Saga.

From concept art spills to casting whispers, here’s the latest scoop on what’s buzzing about this epic showdown—and what might be true or just fan speculation.

What Are the Latest Leaks About Avengers: Doomsday’s Plot?

Over the past week, a massive leak of concept art from Marvel artist Mushk Rizvi has dominated headlines, revealing tantalizing glimpses of Avengers: Doomsday. Shared on Artstation and quickly removed, the images show Doctor Doom in a medieval setting, flanked by variants of Doctor Strange, Yelena Belova, and possibly Sue Storm and Franklin Richards.

Other art depicts Bucky Barnes in a dungeon, a new Black Panther in Wakanda, and Hulk and She-Hulk in Latveria, hinting at a multiversal conflict. While Marvel hasn’t confirmed these details, fans speculate the main plot involves Doctor Doom’s rise as a multiversal threat, potentially challenging the Avengers across timelines.

Who’s Returning or Joining Avengers: Doomsday—Are the Rumors True?

Rumors are swirling about the cast, with confirmed returns including Benedict Cumberbatch as Doctor Strange, Tom Holland as Spider-Man, Sebastian Stan as Bucky Barnes, and Florence Pugh as Yelena Belova, per Marvel Movies Fandom and ComicBook.com reports from the last week. Hayley Atwell’s Peggy Carter, Wyatt Russell’s U.S. Agent, and the Fantastic Four cast (Pedro Pascal, Vanessa Kirby, Ebon Moss-Bachrach, and Joseph Quinn) are also rumored to return.

A wild rumor suggests Chris Evans might cameo as Nomad or a Captain America variant, though this remains unconfirmed. The leak of Star-Lord, White Vision, and Young Avengers like Kate Bishop and Ms. Marvel has fans buzzing about a massive ensemble, but Marvel’s tight-lipped approach leaves much in question.

How Has Marvel Responded to the Avengers: Doomsday Leaks?

Surprisingly, Disney and Marvel haven’t launched a full-scale takedown of the leaked Avengers: Doomsday concept art, as noted in Forbes and ComicBook.com articles from March 1–2, 2025. Some speculate this could be a strategic move to generate hype, while others think it’s impossible to contain the spread after it went viral on X and other platforms.

The Russo Brothers, set to begin filming in London soon, have teased a film that “challenges audiences,” but they’ve stayed silent on the leaks. Fans are divided—some love the sneak peeks, while others worry about spoilers derailing the MCU’s secrecy tradition.

What’s Missing from the Avengers: Doomsday Leaks—Could There Be Surprises?

Notably absent from the leaks are major MCU staples like Scarlet Witch, Spider-Man, Captain America (Sam Wilson), and Thor, raising questions about their roles—or if they’re being saved for a twist. ScreenRant and IGN reports suggest these absences could be deliberate, with Marvel holding back key characters for Avengers: Secret Wars or a mid-film reveal.

The lack of confirmation on Chris Evans’ rumored return as Nomad or a variant also fuels speculation, keeping fans guessing about the full scope of this multiversal battle.

Some Closing Thoughts:

With Avengers: Doomsday still over a year away, the recent leaks and rumors have ignited wild excitement—and some confusion—among MCU fans. From Doctor Doom’s medieval reign to a star-studded Avengers lineup, these whispers offer a thrilling glimpse into what could be Marvel’s most ambitious film yet.

But with Marvel’s track record of surprises, expect the unexpected when Avengers: Doomsday hits theaters in 2026—leaks or not!

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