The website reveals information about many events that never seen on screen before, explains the deaths of several characters in previous movies, as well as giving audience a tease of some new characters that would later appear in X-Men: Days of Future Past. The events listed in 25 Moments are considered official canon in the X-Men Movies universe. Nonetheless, due to the timeline being altered in X-Men: Days of Future Past, any listed events that happened since 1973 is no longer pertinent in the new timeline.