Superman in "The Leper of Krypton"
Written by Leo Dorfman, penciled by Ross Andru & inked by Mike Esposito.
Thanks to Ventor Caine, Lex Luthor has found a way to smuggle his latest creation, Virus X, out of prison. Ventor uses a brain-washed Clark Kent to expose Superman to this virus, but it is actually Clark who is exposed to the toxin. Once Superman comes to his senses, he realizes that this is the same toxin that almost destroyed all life on Krypton. This story runs from issue #363 to #366.
Supergirl in "The Landmark Looters"
Written by Otto Binder, penciled & inked by Kurt Schaffenberger.
A pair of adolescent aliens have stolen some world monuments. It's up to Supergirl to play their game and recover the stolen treasures.
Cover art by Neal Adams.