This movie uses the younger X-Men actors putting it chronologically before the original X-Men. An ancient Egyptian, Apocalypse or En Sabah Nur, has come back to life, who has incredible power which he uses to increase everyone's power, and dong so recruits a good group of X-Men, Magneto, Angel, Storm, Jubilee, Psylocke. Magneto is easy to recruit because his wife and child were killed by humans. He is seeking revenge. In addition they capture Professor Charles Xavier, who is to help them get everyone at the same time, mutant and human. He is able to send a message to everyone with his powers supplemented by Apocalypse.
For the other side they are first taken prisoner by Colonel William Stryker. They have to get away from him, before than can go to Egypt and capture the real bad guy. They release Wolverine, who was being held for experimentation. He takes care of all the guards.
Then they are off to Egypt to confront the real danger. This sets up a very big confrontation and everyone's loyalties are tested. Jean finally unleashes her true power.
Moira shows up as she is investigating the Egyptian phenomena the turned into Apocalypse for the CIA. Xavier gives her back her memories.
