- Script:
- Jeph Loeb
- Pencils:
- Ed McGuinness
- Inks:
- Cam Smith
- Colors:
- Tanya Horie; Richard Horie
- Letters:
- Richard Starkings
- Genre:
- Superhero
- Characters:
- Superman [Clark Kent; Kal-El]; Superboy [Kon-El]; Supergirl; Steel [John Henry Irons]; Batman [Bruce Wayne]; Aquaman [Arthury Curry; Orin]; Lois Lane; Joker; Harley Quinn [Harleen Quinzel]; Bizarro; Skizm; Gravedigger Lad [Jimmy Olsen]; Gorgeous Gilly; Bounty; Ignition; Lex Luthor
- Synopsis:
- "Superman: Emperor Joker" continues with the deaths of Superboy and Supergirl! A shocking betrayal derails the assembled heroes' assault on the Emperor's fortress, setting the stage for the villain named Ignition's killing Superboy and Supergirl! [per solicitation]
Continued from Emperor Joker; Continued in Adventures of Superman #583
- Letters:
- Typeset
Emperor Joker answers letters from readers.