Avengers: Doomsday: [Spoiler] May Have Finally Been Confirmed To Make MCU Return This December

Avengers: Doomsday: [Spoiler] May Have Finally Been Confirmed To Make MCU Return This December

After months of rumours and tongue-in-cheek hints, it appears one key Marvel character has now been confirmed for this December's Avengers: Doomsday. What does this mean for the Multiverse Saga finale?

By JoshWilding - Sep 26, 2026 04:09 AM EST
Filed Under: Avengers: Doomsday

For months now, rumours have persisted that Avengers: Doomsday opens with an Incursion between Earth-10005 and the home of Tobey Maguire's Spider-Man. During that sequence, Deadpool and Wolverine will reportedly battle the web-slinger with the fate of both realities at stake. 

Ryan Reynolds has teased his and Hugh Jackman's respective MCU returns at San Diego Comic-Con and D23, and now we only need official confirmation. Fortunately, it may have come our way from an unexpected source. 

As you can see below, fabric from his Avengers: Doomsday costume has gone live on an auction website. This confirms plans for the Merc with the Mouth to meet the Avengers and Fantastic Four (despite being absent from trailers, Wade Wilson is rumoured to be a big part of the battle at the X-Mansion).

So, we're one step closer to finally learning why Thor was crying over the downed Deadpool in Deadpool & Wolverine's TVA scene. 

During a recent Avengers Endgame: Encore Q&A, Anthony Russo confirmed that the full cast of Avengers: Doomsday has not been revealed. "The cast is so large, and we've announced some of the cast, and we haven't announced some of the cast," he said. "I get confused myself over who we've announced and not announced, so I have to just slow down."

He went on to reflect on the process of convincing Robert Downey Jr. to return to the MCU, not as Iron Man, but as the villainous Doctor Doom. "From that first meeting with Robert, we were basically pitching him, 'Hey, Robert, we want you to come in and be Tony Stark to be the antagonist to Steve Rogers in Civil War.'"

"It was a very scary idea to a lot of people that we would sort of put that character in a position of being considered the bad guy. But Robert is brave. He likes to be surprised, he likes to be pushed into difficult places," the filmmaker noted. "It was a very similar process thinking about [him] playing Victor Von Doom."

What are your hopes for Deadpool in Avengers: Doomsday? Let us know your thoughts in the comments section below.

In Avengers: Doomsday, beloved heroes from three distinct universes will be set on a deadly collision course and face an existential threat unlike anything they’ve ever encountered.

Avengers: Doomsday stars Chris Evans, Chris Hemsworth, Anthony Mackie, Winston Duke, Tom Hiddleston, Sebastian Stan, Letitia Wright, Paul Rudd, and Robert Downey Jr. Wyatt Russell, Simu Liu, Tenoch Huerta Mejia, Mabel Cadena, Florence Pugh, Danny Ramirez, David Harbour, Hannah John-Kamen, Lewis Pullman, India Rose Hemsworth, and Wesley Holloway all make their Avengers franchise debuts.

The Fantastic Four: First Steps leads Pedro Pascal, Vanessa Kirby, Ebon Moss-Bachrach, and Joseph Quinn join them, along with X-Men franchise stars Kelsey Grammer, Patrick Stewart, Ian McKellen, Alan Cumming, Rebecca Romijn, and James Marsden, plus Deadpool & Wolverine star Channing Tatum. 

The Russo Brothers direct Avengers: Doomsday and Avengers: Secret Wars from a screenplay by Stephen McFeely, with whom they previously collaborated on the Avengers and Captain America franchises. Loki and Doctor Strange in the Multiverse of Madness writer Michael Waldron has also been enlisted to refine the story, alongside Spider-Man: Brand New Day's Chris McKenna and Erik Sommers.

Avengers: Doomsday is set to be released on December 18.

About The Author:
JoshWilding
Member Since 3/13/2009
A lifelong comic book fan who grew up on Spider-Man: The Animated Series in the '90s, Josh Wilding has been contributing to ComicBookMovie.com since 2009.

While he's also written for websites like Batman-News, HeyUGuys, and WhatCulture, Josh is CBM's Rotten Tomatoes-approved critic and the site's #1 contributor with nearly two decades of experience covering film and TV news (including interviews with Tom Holland, Chris Pratt, Gary Oldman, Halle Berry, Jon Bernthal, Tom Welling, and hundreds more).

Based in the UK with his wife, Josh is also an avid WWE and Formula 1 fan and writes about those passions on CBM's sister sites, TheRingReport.com and FullThrottleHQ.com. Favourite superhero? Spider-Man. Favourite pro wrestler? CM Punk. Favourite F1 driver? Max Verstappen.
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