Return to the future in a tale that reveals the events leading up to the timeless classic! In a world where mutants are more than simply hated and feared but not yet slain and apprehended, Senator Kelly's assassination comes to pass - bringing with it the Mutant Control Act and Sentinels on every corner. But with mutantkind on their back foot, what lengths will Kate Pryde, Wolverine, Colossus, Storm, Banshee, Angel, Cyclops, Professor X and the rest of the X-Men go to in orde