Scott and Rogue end up on a geology club field trip together. Scott tries to be friendly to her, but it turns out Mystique has other plans...

Magneto steals plans for a top-secret project that produced super soldiers. Wolverine worked on it during World War II.

At Xavier's urging, the Brotherhood and the X-Men unite to battle Magneto; and the Institute begins to self-destruct while students are trapped in the mansion.

A traitor in the battle threatens the efforts of the X-Men and the Brotherhood against Magneto, who has another secret weapon -- the Sentinel robot.

X-Men and the Brotherhood deal with the aftermath of the world finding out about mutants. The Institute is blown up, and Mystique posed as Prof. X to blow it up. Some of the X-Men and Brotherhood are captured, leaving the mutants that escaped to find them and the Professor.

Mystique escapes from imprisonment while the X-Men repair and rebuild the Institute. Disguised as Alex, she lures Scott into a trap - leaving him stranded in the middle of the Mexican desert without his glasses.

As all the monsters in the tomb attack, the teammates fight to survive and find a way out.

Xavier finds Apocalypse in Egypt, and Apocalypse unleashes four horsemen, who battle the X-Men.