Reposting leaks.
>Deadpool has retired and is working as a car salesman with Peter. He and Vanessa lost their baby and are broken up, with Vanessa dating a new guy named Dermot. Deadpool is generally feeling depressed and aimless.
>Most of the movie takes place in the Void, which has been taken over by Cassandra Nova. She has an army of henchmen like Sabretooth, Toad and Pyro, and also controls Alioth. The TVA recruits Deadpool to kill her before she manages to escape the Void and tries to take over the Multiverse.
>Each universe has an "Anchor Entity", a being so important that their death causes the universe to slowly decay and ultimately die. Wolverine is the Anchor Entity for the FoX-Verse.
>Wolverine variants are played by actors such as Henry Cavill, Daniel Radcliffe, Taron Egerton and Karl Urban, and reference classic eras of Wolverine's history. Radcliffe's variant, for example, represents the Madripoor era, complete with eyepatch and white tuxedo.
>Deadpool variants include Ladypool played by Blake Lively, Kidpool, Babypool, Headpool, Dogpool, Dreadpool and Chadpool, among others.
>Chadpool has a pair of golden-plated Desert Eagles that Deadpool becomes obsessed with and eventually takes for himself when Chadpool gets killed.
>Wolverine decapitates Sabretooth and Headpool attaches itself to his headless body and manages to control it.
>Cassandra Nova eventually gets the power to open portals to other universes, leading to a third act setpiece where Deadpool and Wolverine fight her across the Multiverse.
>Dafne Keen and Natalia Tena appear as X-23 variants.
>Channing Tatum appears as Gambit.
>Jennifer Garner appears as Elektra, and there is a story reason why Ben Affleck's Daredevil is not with her.
>Tobey Maguire appears as Spider-Man.