Cover prominently features several of the key comics that established the concept of the multiverse (The Flash #123, Green Lantern #40, Justice League of America #21), plus many others.
Character(s):
Overman (from a parallel Earth); George; the yellow aliens; unidentified characters;
Love Syndicate of Dreamworld (from a parallel Earth) [Magic Lantern; Sunshine Superman]
Synopsis:
Animal Man discovers he is a character in a comic book, so along with James Highwater, he decides to send all the characters back into limbo. When the aliens return him to his home, Animal Man, knowing he is a fictional character, wonders who it is who causes him to suffer.