Professor X is still alive on the world of Mutant X! But where's he been all these years? Will Havok, Iceman, Brute, Captain America, Gambit and Bloodstorm get the answers they seek when they cross paths with Charles Xavier? Maybe not, because the Horsemen of Apocalypse (led by The Fallen) ride tonight!
— Description from Comic Vine community (comicvine.gamespot.com).
