Deadpool Kills Fox's Marvel Universe

Deadpool Kills Fox's Marvel Universe (also known as Deadpool 3) is an upcoming superhero film based on the Marvel Comics character of the same name. The film is directed by Adil & Bilall and once again features Ryan Reynolds reprising his role as Deadpool. The film is loosely based on the miniseries Deadpool Kills the Marvel Universe by Cullen Bunn and Dalibor Talajic, but sets it in the pre-established universe of the X-Men film franchise while also acknowledging the films Daredevil, Elektra and the Fantastic Four film series. The film is made to offer an explanation for Deadpool being in the Marvel Cinematic Universe as well as to give a "cathartic" closure to the previous non-MCU films before they are rebooted.

Synopsis
Upset over having lost Vanessa again, Deadpool has a nervous breakdown and begins blindly doing merc missions. He finds himself being confronted by Lady Death (who resembles Vanessa) and is convinced that he must perform the ultimate kill mission to be with her. Soon word spreads as numerous heroes and villains team up to defeat him.

Plot
Following an unforeseen event that resulted in the death of Vanessa, Blind Al, Weasel and Russell Collins, Wade Wilson / Deadpool finds himself hopelessly depressed. He begins to go on a mercenary missions non-stop to vent his anger and frustration on the world. During one mission, he is shot in the head and is visited by Lady Death, who greatly resembles Vanessa. What starts off as a minor incident, quickly becomes a series of meetings with Death. When Deadpool tells Death that he loves her, she turns him down, telling him that he is only interested in her appearance rather than actually knowing her. She further states that due to his inability to die, it would be impossible for them to be together.

Deadpool sulks and decides to go see a psychiatrist named Emrys Killbrew, who Deadpool is quick to mock. Killbrew gives Deadpool the challenge of looking at those who are happy and learn from them. Taking his words out of context, Deadpool thinks that he should take away everyone's happiness. Furthermore, he begins to see how pointless his world is (due to Disney buying out Fox) and decides to destroy what is left if it. He kills Killbrew (claiming that he had child pornography) and proceeds to go on a new suicide mission.

After informing Dopinder of his plan, he proceeds to kill various Mutants including some of the notable ones. He overhears how Daredevil and Elektra have been cleaning up Hell's Kitchen and realizing that he has a bigger universe to play in, heads over to kill the two of them personally. He mocks their shallow attempts at being heroes. His killing of them becomes widespread news and reaches the X-Men. They all agree that they need to kill Deadpool, though Colossus is reluctant; deducing that he is depressed. The group is visited by T-Ray, another being from the future who offers his services to help kill Deadpool, though Cable turns him down on behalf of the X-Men.

After having successfully killed the Fantastic Four (using Reed Richards and Susan Storm's heads as play things), a portal suddenly opens in the Baxter Building. Deadpool goes through where he is greeted by the "Trank" Reed Richards whom Deadpool is quick to insult for his grim looking world. In a twist, he learns that this Reed Richards grew bored with superheroics and killed his team for experimentation. He has unlocked a way to "stretch" his brainwaves and believes that he can create a better world with himself as a God. Upon learning of Deadpool's mission, he agrees to help him not just destroy his world, but his universe as well.

Deadpool begins to collect weapons and technology needed by Richards when he is confronted by the X-Men and other Mutant allies. Deadpool proceeds to wipe out the majority of them, leaving only Cable, Domino, Colossus, Negasonic, Magneto and Wolverine. He is prevented from killing them due to the interference of Richards who takes Deadpool along to finish their plan. The remaining team members are confronted by T-Ray who finally agree to let him join them.

Deadpool and Richards set up the matter destroyer device at the remains of the Weapon X facility. Richards reveals that the machine is capable of many things including creating and destroying worlds as well as altering the universe. The team arrive to confront Deadpool and Richards with Colossus, Negasonic, T-Ray and Wolverine confronting the former and Cable, Domino and Magneto facing the latter. During the fight, Deadpool solemnly kills Negasonic and uses her as a bomb to take out Colossus and Cable, while Richards manages to use Domino's abilities against herself and Magneto; killing the both of them.

T-Ray suddenly comes up and tosses Richards into the machine where it looks like he has been torn apart. T-Ray then turns on Wolverine and reveals that he is, in fact, Wade Wilson from the future. Having been killed numerous times has caused him to undergo a dramatic change. He came back not to stop Deadpool, but to use the machine to become the "Ultimate Deadpool". Deadpool and Wolverine team up and manage to use the machine to tear him graphically apart. Deadpool and Wolverine then have a "long overdue fight sequence" with the former telling the latter how their world does not make any sense and deserves to end. The fight ends in a stalemate.

As the world begins to crumble around them and the sky gives way, Deadpool and Wolverine decide to share bourbon with one another. Deadpool comforts Wolverine telling him that he was "the fucking Wolverine" while Wolverine tells him that he wished he knew him better. Everything falls apart and fades to black. Deadpool discovers himself floating in a void; realizing that he truly cannot die. However, he is visited by Death who offers herself to him, but Deadpool admits that he has gotten over her and now feels that he has fulfilled all that he can. Death states that she "can pull some strings" and Deadpool suddenly finds himself in a shawarma restaurant with Death in a human disguise.

Deadpool learns that he is now in the Marvel Cinematic Universe and is excited that he is alive. However, he is told that a Wade Wilson already exists and he decides to visit him. Deadpool visits a suburb and learns that this non mutated Wade is happily married to Vanessa and have a son with another child on the way. Deadpool congratulates the two and tells them to take care of one another before revealing that he has killed their neighbor for possessing child pornography; implying that he will continue looking out for their well being.

One week later, Deadpool has already grown accustomed to his new home, but laments that he has no one else to share it with. To his surprise, he discovers that Dopinder has also survived the transfer, thanks to Death who continues to watch him, and the two decide to "get back to business".

In a mid-credits scene, Richards is revealed to be alive and living on some space debris. He builds himself a special helmet that will increase his intelligence. No longer Mr. Fantastic, he now calls himself the Maker. In a post-credits scene, Deadpool enters an office full of various MCU characters and looks at the audience with the query, "So, who do I team-up with next?"

Cast
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and reprise their roles as  and, respectively. Affleck stated that he would only return if Daredevil was killed off. Likenesses of and  as  and  were used as severed heads that Deadpool holds up. Models based on as Susan Storm,  as Johnny Storm and  as Ben Grimm were also used.