• Deadpool 3 could change MCU history by teaming up Deadpool and Wolverine and featuring multiple timelines and universes.
  • The movie may retcon the X-Men into the MCU and erase the Fox Marvel movie universes.
  • Deadpool 3 could introduce Doctor Doom as the Multiverse Saga’s main villain and showcase time travel to alter past MCU events.



Deadpool 3 is the Marvel Cinematic Universe’s only movie in 2024, and the anticipated film could change the MCU’s history in major ways. After two Deadpool movies under 20th Century Fox, Ryan Reynolds’ Deadpool 3 will see him team up with Hugh Jackman’s Wolverine in the MCU. While there are not many official aspects revealed about Deadpool 3‘s story, with most of the information known about the movie coming from the many Deadpool 3 set photos and videos, an exciting reveal has shed a light on what Marvel fans can expect from the movie.

The first official synopsis for Deadpool 3 has been released, and it teases that the movie will be as big as fans expect it to be. According to the Deadpool 3 synopsis, “The irresponsible hero Deadpool will change the history of the MCU with Wolverine!? The movie is rumored to feature a slew of characters, universes, and events that could help Deadpool 3 fulfill the promise made by its synopsis. Here are 10 ways that Deadpool 3 could change the history of the MCU.


Every Actor Cast In Deadpool 3 (So Far)

Ryan Reynolds is joining the MCU as the Merc with a Mouth in Phase 6’s Deadpool 3, and some of his supporting cast has already been revealed.

10 Deadpool Kills The MCU’s Version Of Himself

A Theory Suggests Deadpool Exists In The MCU Already

Deadpool looking surprised with characters from the history of the MCU

The many set photos and videos from Deadpool 3 led to Reynolds addressing the leaks on social media. Some of those Deadpool 3 set photos showed a samurai variant of Deadpool, also played by Reynolds, but with a new costume, a man bun, and no sign of Wade Wilson’s scarred head. Based on that, an MCU theory claims that Deadpool 3 will show Reynolds murdering the MCU’s Deadpool, who would be the samurai variant. Not only would it change MCU history by revealing Deadpool was part of the universe, but the Fox version of the character would take his place.

9 Deadpool 3 Retcons The X-Men Into The MCU

X-Men Characters Have Appeared In The MCU

While Marvel Studios has yet to debut its version of the X-Men, actors from Fox’s mutant franchise have returned as variants of their characters, or in Evan Peters’ case, pretending to play their X-Men roles. Deadpool 3 is rumored to feature many X-Men cameos, and that could lead to the movie retconning the mutants into the MCU. Deadpool 3 could show actors like Cyclops star James Marsden playing the MCU counterpart of his hero, explaining where the MCU’s X-Men have been all along. Alternatively, Deadpool 3 could end by teasing the debut of the MCU’s new version of the X-Men.

8 Deadpool Kills The Fox Marvel Movie Universes In Deadpool 3

Set Photos And Videos Support This Deadpool Story

Custom image of a Deadpool 3 set photo, the Deadpool movie, and X-Men: Days of Future Past poster.

Deadpool 3 set photos and videos have shown that Reynolds’ Merc With a Mouth and Jackman’s Wolverine will fight near a destroyed 20th Century Fox logo. That has led to the theory that Deadpool and Wolverine will kill Fox’s Marvel universes in Deadpool 3 gaining strength. The movie could change the MCU’s history by featuring the duo going around and erasing timelines like Loki‘s TVA has shown is possible. Deadpool killing both X-Men continuities, the two Fantastic Four universes, and more fits the range of action and comedy expected from the film.

7 Deadpool 3 Introduces Doctor Doom As The Multiverse Saga’s Main Villain

Doom Has Been Rumored To Replace Kang

According to reports, Marvel could be considering replacing Kang the Conqueror with Doctor Doom as the Multiverse Saga’s main villain after Jonathan Majors was fired. Deadpool 3 would be the perfect way to do so. The movie will deal with the multiverse, and through that it could replace Kang, either by picking a version of the Fantastic Four villain from another universe to come to the MCU, or by coming up with an explanation for the demise of all Kangs — possibly in connection to the movie’s rumored TVA presence — that would open the door for the MCU’s Doom to rise.

6 Wade Wilson Uses Time Travel Again To Alter MCU Events

Deadpool 2 Showed How That Could Be Done

Deadpool's severed head flies towards the camera in an explosion in Deadpool 2

Deadpool 3 has been described by Reynolds as Deadpool and Wolverine going on a road trip. That could see the duo travel through the MCU, using a plot device from two previous films. Avengers: Endgame is the MCU’s biggest movie, and the film saw Earth’s Mightiest Heroes go back to the past to pick up Infinity Stones from important MCU events. In Deadpool 2, Wade Wilson used Cable’s time travel device to alter events and bring characters back to life. Deadpool 3 could repeat that by having Deadpool go after Iron Man in the past or a similar event.

5 Hugh Jackman’s Wolverine Comes From The MCU In Deadpool 3

Wolverine’s Different Deadpool 3 Could Be Explained By The MCU

Hugh Jackman's Wolverine in Deadpool 3 and comic book Wolverine, both with the yellow and blue suit

After almost 25 years since he first played the character, Jackman will finally wear Wolverine’s classic yellow and blue X-Men costume from the comics in Deadpool 3. With Jackman’s Wolverine having died in Logan, there are different universes from where this variant of the character could come from. One of those could be none other than the MCU. Deadpool 3 could change MCU history by revealing that Jackman’s Wolverine is the main version of the character in the MCU and has existed in the shadows all along, allowing Jackman to continue playing Wolverine until the rumored MCU reboot.

4 The Incursion Doctor Strange Went To Stop Is The Destruction Of The Fox Marvel Universe

Doctor Strange In The Multiverse Of Madness Could Be Linked To Deadpool 3

Benedict Cumberbatch As Doctor Strange And Charlize Theron As Clea After Doctor Strange Causes An Incursion In Doctor Strange 2

Doctor Strange in the Multiverse of Madness‘ post-credits scene saw the debut of Charlize Theron as Clea, with the sorceress recruiting Benedict Cumberbatch’s Doctor Strange to help her stop an incursion. Following Strange’s travels through the multiverse in the movie, the character could have started a domino effect that will connect with Deadpool 3. If the popular theory that Deadpool and Wolverine kill the Fox Marvel Universe in Deadpool 3 pans out, then the movie could frame that event as the incursion Doctor Strange was going to try to stop.

3 Deadpool 3 Retcons The MCU’s Kang The Conqueror Variants Into Looking Different

Jonathan Majors Has Been Fired From The MCU

So far, every Kang variant has been played by Majors. However, now that the actor has been fired, that will have to change. In order to continue using Kang the Conqueror as the Multiverse Saga’s main villain, the MCU can recast his most important variants for Deadpool 3. Another post-credits scene of the Council of Kangs in Deadpool 3 with new actors in the roles of Rama-Tut, Scarlet Centurion, and Immortus would be enough to cement that Kang will continue as a threat, retconning the Kang variants into looking different from one another.

2 Deadpool 3 Shows Wolverine And Captain America Fighting Together

Time Travel Could Be At Hand

Wolverine (left) and Captain America (right) in Marvel Comics

If Jackman’s Wolverine variant comes from the MCU — or another universe outside the Fox franchise — then there is a chance that the character’s interactions with other heroes could be shown. Bringing back Chris Evans as Captain America for a small role that reveals Wolverine and Steve Rogers fought alongside one another in World War II would be a major retcon of the MCU’s history and put it more in line with the comics. Evans has been rumored to return as Captain America for a new project.

1 Deadpool 3 Brings The Fantastic Four Into The MCU

Marvel Studios’ Fantastic Four Movie Releases In 2025

The Fantastic Four looking at the reader in Marvel Comics

Deadpool 3 set photos included a Fantastic Four tease. While Marvel’s Fantastic Four movie is scheduled for a 2025 release, the team could potentially show up first for a cameo in Deadpool 3. In the set photo from the upcoming movie, a futuristic car that closely resembles the design of the Fantastic Four’s original Fantasticar from the comics, with a “4” in the vehicle’s front, teased Marvel’s First Family having a presence in the film. If Deadpool 3 is responsible for bringing the Fantastic Four into the MCU, then it will succeed in changing the universe’s history.

Deadpool 3 Logo

Deadpool 3

A sequel to the highly successful Deadpool and Deadpool 2 starring Ryan Reynolds as the Merc with a Mouth. The third film will be the first film in the franchise to be developed under the Marvel Studios banner following Disney’s acquisition of 20th Century Fox. Ryan Reynolds is returning to play the character, alongside Hugh Jackman, reprising his Wolverine role in the Marvel Cinematic Universe for the first time. 

Release Date
July 26, 2024

Shawn Levy

Key Release Dates

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