Fantastic Four #153

In "Worlds in Collision!", the Fantastic Four find themselves trapped on the male-dominated planet of Machus, forced to battle monstrous foes in Mahkizmo’s arena while he plots to merge his world with Thundra’s Femizons. With Medusa’s unexpected arrival leading a band of Femizons, the heroes face a clash of civilizations — but the true outcome of the merger is far from what Mahkizmo imagined. Written by Tony Isabella and illustrated by Rich Buckler and Joe Sinnott, with colors by Petra Goldberg and letters by Joe Rosen, this 1974 classic features a dynamic cover by Gil Kane, John Romita, and Frank Giacoia.