Extraordinary X-Men #10

"APOCALYPSE WARS" continues here in "OMEGA WORLD": Part 3! Trapped a thousand years in the future, the X-Men are literally mutantkind's last hope! Not only has Apocalypse deemed the mutant race obselete, but he's also claimed one of the X-Men as his newest Horseman. Can the X-Men survive a trip across the perilous landscape of Omega World to restore mutantkind's future and rescue their teammate?