The Astonishing X-Men (Vol. 1 1995) #1

Plot

Apocalypse rules the world and Magneto and his X-Men are the last bastion of hope for a rapidly dying humanity; To complicate things, the stranger, Bishop, has arrived and told Magneto that this reality is false and solely due to the untimely death of Charles Xavier in the past; As the X-Men discuss this conundrum, Blink and Sunfire arrive at X-Mansion and tell their teammates that Apocalypse has once again begun culling human beings through his agent, Holocaust; The X-Men prepare to face Holocaust and bid their farewells, realizing that this mission is most likely of the suicide variety.