Adventures of Superman comic books issue 537
Cover pencils by Stuart Immonen, inks by Jose Marzan, Jr. Creatures on the Loose!, script by Karl Kesel, pencils by Stuart Immonen, inks by Jose Marzan, Jr.; Parasite breaks into S.T.A.R. Labs, freeing all the creatures being held in the lower levels; Story continues in Action Comics #724. Watch This Space #15: Remembering Jerry Siegel. 36 pgs. Cover price $1.95.