In 1973, during a school fight, Scott Summers unleashes powerful optic blasts, leading to his enrollment at the X-Mansion under Professor Xavier's guidance. Meanwhile, in Berlin, mutant Angel faces a challenging fight in an underground club against teleporting mutant Nocturn. The battle escalates, causing chaos and destruction as Mystique intervenes. In Egypt, CIA agent Moira uncovers a mysterious cult with ancient artifacts, inadvertently awakening the powerful mutant Apocalypse. The resulting earthquake impacts even Magneto in the Soviet Union. The events set the stage for a larger conflict among mutants with devastating consequences.