Story: "Germ Warfare" (38 Pages)

Credits:

Keith Giffen (plot, layouts)
J.M. DeMatteis (script)
Bill Willingham (pencils)
Dennis Janke and P. Craig Russell and Bill Wray and Robert Campanella and Bruce D. Patterson and Dick Giordano (inks)
Bob Lappan (letters)
Gene D'Angelo (colors)
Andy Helfer (edits)

Feature Characters:

Batman
Martian Manhunter
Guy Gardner
Black Canary II (all four last in Justice League #4)
Blue Beetle II (last in Blue Beetle Vol. 2 #16)
Doctor Fate (last in Justice League #3)
Mister Miracle II (last in Justice League #4; all seven next in Fury of Firestorm #63)
Booster Gold (last in Justice League #4; next in Booster Gold #18)

Guest Star:

Doctor Light IV (last in Justice League #4; next in Invasion! #2)

Villain:

A sentient cell/spore (first appearance; next in Martian Manhunter #1)

Other Character:

Herbert (first appearance; an employee of Kord Industries)