Film Phase 3B — Civil War & Fallout (2016–2018)

X-Men: Days of Future Past

Name: X-Men: Days of Future Past
Released: 2014-05-23
Duration: 131 min
Cast: Hugh Jackman, James McAvoy, Michael Fassbender, Patrick Stewart, Ian McKellen

"To save the future, they must alter the past."

Released May 23, 2014 2h 11m ★ Essential

The ultimate X-Men ensemble fights a war for the survival of the species across two time periods as they join forces with their younger selves in an epic battle that must change the past – to save our future.

Watch note

Wolverine rewrites the X-Men timeline — erasing the dark future and restoring all the characters who died. Critical for understanding which version of the X-Men exists going into Doomsday.

Why It Matters in the MCU

Days of Future Past is the most structurally sophisticated X-Men film made to date, using time travel not to reset the franchise but to reckon with twenty years of continuity across two different casts. The Quicksilver sequence in the Pentagon kitchen remains one of the most inventive uses of slow-motion in action cinema — widely imitated but never matched. The film gave Michael Fassbender and James McAvoy their best material in the series, and resolved the original timeline's tragedy in a way that respected the audience's investment without erasing it.

Where It Fits in the MCU

X-Men: Days of Future Past sits at position 60 of 133 in the MCU's story-chronological order, placing it within the Phase 3B — Civil War & Fallout (2016–2018) era. It is rated Essential — must-watch for following the main MCU narrative. Watching in story-chronological order provides the most coherent character development experience — individual arcs build naturally toward the franchise's major crossover events, with each film's post-credits scenes carrying forward into what follows.