The events of "X-Men" take place.
The US Senate discusses a Mutant Registration Act. Rogue runs away from home and meets Wolverine. They meet the X-Men. Wolverine joins their ranks which already consist of Jean Grey, Cyclops (Scott Summers), and Storm (Ororo Munroe). The X-Men battle Magneto and his mutants on the Statue of Liberty who are once against at odds against Xavier. His Brotherhood of Mutants now include the ranks of Logan's half brother Sabretooth (Victor Creed), Mystique, and Toad (who was saved by Mystique in 1973 in Vietnam). Magneto is defeated and imprisoned.