X-Factor Volume 1 #5 June 1986, Tapped Out!” Part 1 of 2. 1st appearance of Apocalypse (shadowed cameo). Story by Bob Layton. Art by Jackson Guice and Joe Rubinstein. Cover by Ron Frenz and Joe Rubinstein. It’s a classic super-hero/super-villain throw-down when X-Factor must battle the Alliance of Evil (Frenzy, Tower, Stinger, and Timeshadow) for the life of a mutant. Featuring a new menace by the name of Apocalypse, an evil mutant who will become a major thorn in the sides of the X-Men and X-Factor.