As the X-Men try to find a mutant that has attempted to assassinate the President, the Academy is attacked by military forces. In the aftermath they join forces with Magneto and uncover a plot to murder all mutants on Earth.

Title from container. Based on characters created by Marvel. Originally released as a motion picture in 2003. Special features: full-length audio commentary (director Bryan Singer and cinematographer Newton Thomas Sigel); full-length audio commentary (writers and producers).