- Script
- Jeph Loeb
- Pencils
- Ed McGuinness
- Inks
- Cam Smith
- Colors
- Tanya Horie; Richard Horie
- Letters
- Richard Starkings
- Genre
- superhero
- Characters
- Superman [Clark Kent]; Emil Hamilton (not seen, only "heard"); Lex Luthor; Lena Luthor; The Fatal Five [Persuader; Mano; Emerald Empress; Validus; Tharok] (actually hard light constructions); Brainiac 13
- Synopsis
- Superman investigates the reappearance of Pluto, but discovers it is actually Warworld. Meanwhile, Lena Luthor visits her father and delivers a message from Brainiac 13.
- Reprints
Beginning of Our Worlds at War story. Main thread of story continues in Adventures of Superman (DC, 1987 series) #593.
- Script
- Mike McAvennie
- Letters
- typeset
Letters from Jesse Stratton, Terry Hagan, Gerald D. Biggerstaff