The Sentinel Robots’ Ultimate Nemesis!

As Wolverine revealed his greatest secret—and the most astonishing mystery of the two parallel worlds— A heavy weight settled in the hearts of both the X-Men and the former Horsemen of Apocalypse. It turned out that if Wolverine from the future had not traveled back in time to stop the Sentinel Program, their world would face the apocalypse forty years later... in 2023! A world where Sentinel Robots ruled the globe, and mutants and humans alike gradually went extinct.