5. The filmmakers selected the "Days of Future Past"
storyline because it would allow the filmmakers to reconcile any
continuity dissonances within the "X-Men" film series. The time-travel
element also allowed actors from the original film series and the
intended reboot that was X-Men: First Class (2011) to appear in the same
6. When Wolverine wakes up in the past, the woman in bed with him calls him Jimmy. According to the comics, Wolverine's name at birth was James Howlett (as his birth father was Thomas Logan, he inherited that surname).
7. In the original comic storyline, other Marvel heroes
other than the X-men are wiped out by the Sentinels such as Spider-Man,
Ghost Rider, Daredevil, Iron Man, Hulk, The Fantastic Four, and the
8. The original 'Days of Future Past' comic mentioned time travel from the year 2013, the same year in which filming began. In the film, the "future" action is implied to take place in 2023.