X-Men: Days of Future Past DVD Cover 1 of 1

X-Men: Days of Future Past (2014) DVD Cover #1

The story is partially set in an alternate future where surviving mutants have been penned in concentration camps, giant robots called Sentinels patrol America, and most of the X-Men have been hunted and killed. In the present day, the X-Men were forced to stop a key event from unfolding in order to keep that future from occurring.