Story: "If It's Tuesday, This Must Be Apokolips!" (22 Pages)

Credits:

Keith Giffen (plot, pencil layouts)
J.M. DeMatteis (script)
Ty Templeton (pencils)
Joe Rubinstein (inks)
Bob Lappan (letters)
Gene D'Angelo (colors)
Andrew Helfer (edits)

Feature Characters:

Batman
Martian Manhunter
Guy Gardner
Blue Beetle II
Mister Miracle II
Booster Gold
Rocket Red #4 (gets new armor with no designation; becomes Rocket Red)
Captain Atom
Fire
Ice
Hawkman II
Hawkwoman

Guest Star:

Lobo

Supporting Characters:

Oberon
Big Barda
G'nort

Villains:

Lord Manga Khan
L-Ron (last in issue #18)
Hein-9 (first appearance; one of Manga Khan's robot servants; next in Justice League America #53)
Virman Vundabar (last in ???)
Granny Goodness (last in ???)
Para-Demons (last in ???)
Valedicterror
Waffles

Other Characters:

Grungett (first appearance; a Hunger Dog)
The Hunger Dogs