Résumé: Legendary X-Men creators craft all-new, in-continuity stories set during their fan-favorite runs! Break out the yellows and blues, fire up the Danger Room, snap on your pouches and prepare for a return to the classic eras of the X-Men! Fabian Nicieza kicks things off with a special saga of Cyclops and Havok, as the Shi’ar return to Earth in search of the Forsaken One! As the Summers brothers search for answers, the full truth behind Adam-X’s lineage is revealed in a story nearly 30 years in the making! Then, Louise Simonson and Walter Simonson once again pit the original X-Factor against their arch-nemesis Apocalypse! As the dread villain’s full plan unfolds, things go from bad to worse — and X-Factor must save Cyclops’ baby, Nathan Christopher Summers, from the clutches of a deadly attacker!