Issue: #237
Last valuation update: 2025-11-21
Superman is carrying a virus that turns the people of Earth into monsters, in “Enemy of Earth.”"The Enemy of Earth" written by Denny O'Neil, penciled by Curt Swan and inked by Murphy Anderson. Reprinted in DC Comics Classics Library: Superman - Kryptonite Nevermore! #1.
Creators: Dennis O'Neil, Julius Schwartz, Neal Adams, Curt Swan, Murphy Anderson, E. Nelson Bridwell
Characters: Superman, Lois Lane, Morgan Edge, Sand Creature