X-Men Movies Timeline
Everything You Need to Remember About the X-Men Movies, in 1 Easy-to-Read Timeline
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Set in 2029, Logan is the end of the X-Men timeline for now. While we did get a brief glimpse of the year 2068 in Deadpool 2, we know better by now than to assume that just because we see a future timeline means it'll actually happen.
In this film, we learn that sometime during the six years following the 2023 coda at the end of Days of Future Past, Charles Xavier (who somehow managed to morph from James McAvoy into a nonagenarian Patrick Stewart during the 11 years between Deadpool 2 and Logan) accidentally killed all of the X-Men and is now being cared for by a decrepit Wolverine, whose adamantium skeleton is slowly poisoning him from the inside, now that his mutant healing ability seems to be finally breaking down.
By this point, Charles Xavier is 99 years old, Wolverine is 197, all the X-Men are dead (except for Deadpool, probably, who seems like he would've somehow managed to outlive them all), and time has no meaning.