The Mutant Saga is still many years away but with the upcoming release of Deadpool 3 and the rumored return of multiple Fox X-Men characters in the fast-approaching Avengers: Secret Wars, excitement for the X-men's MCU arrival is at an all-time high. Since their comic book debut in 1963, the X-Men have led to some of the greatest comic book stories ever being created, many of which have already been adapted, such as Days of Future Past, Apocalypse, and Logan.
Source：https://www.cbr.com/x-men-marvel-comics-storylines-mcu-should-adapt/
