Without going into too many spoilers, X-Men: Days of Future Past changes the timeline in 1973 and Peters’ Quicksilver goes on to feature in the 1983 set X-Men: Apocalypse and the 1992 set X-Men: Dark Phoenix. Although amusingly he doesn’t really age at all over this 20 year period, much like James McAvoy’s Professor X and Fassbender’s Magneto. Of course, there’s also the two present-day set Fox Deadpool movies which make fun of the confusing X-Men timeline. Peters’ Quicksilver, alongside other Dark Phoenix characters, cameoed for a split second in Deadpool 2 even though they were from the 1990s set film.