- Kurt Busiek
- George Pérez
- George Pérez
- Tom Smith
- Krona; Grandmaster; Kismet
The JLA [Batman; Green Lantern; Aquaman; Superman; Martian Manhunter; Wonder Woman; Plastic Man; Flash; Green Arrow; Black Canary; Steel; Hawkman; Firestorm; Blue Beetle; Red Tornado; Captain Atom; Zatanna; Atom]
the Avengers [Quicksilver; Hawkeye; Scarlet Witch; Vision; Iron Man; Thor; Captain America; Wasp; Yellowjacket; Triathlon; Warbird; Photon; Jack of Hearts; She-Hulk; Wonder Man; Hercules; Black Panther; Quasar]
Oracle; Galactus; Metron; Thing; Mr. Fantastic; Invisible Woman; Human Torch; Darkseid; DeSaad;
Cameos: Green Lantern [Hal Jordan (a statue)]; Sandman [Wesley Dodds (a picture)]; Elongated Man (a statue); Max Mercury; Impulse; Jesse Quick; Flash [Jay Garrick]; Kid Flash (all pictures on a mural); Balder the Brave; Heimdall; Volstagg; Posters [Starfire; Cyborg; Raven; Wonder Girl]; Amazons [Artemis; Phillipus; Penelope]; A Millenium Giant; A Celestial; images on a screen [A Guardian of the Universe; Thanos; the Living Tribunal; Silver Surfer]; Playing cards [Nick Fury; Uncle Sam; Joker; Spider-Man; Wolverine; Star Boy; Moondragon]; Chess pieces: [Dr. Fate; Dr. Strange; Green Lantern [Alan Scott]; Madame Xanadu; Karnak; Medusa; Starfire; Hawkgirl; Raven; Phantom Stranger; Adam Warlock; Thing; Hulk; Solomon Grundy; Broot; Death (DC version); Death (Marvel version); Deadman; Grim Reaper]
- The contest becomes universal as the Avengers and the Justice League battle for the possession of the 12 weapons. But Captain America and Batman have other plans, especially when they find out which team is battling for whom.
- Reprints: show reprint note before migration
Many of the cameos listed appear on page 31, panel 2. This is where Batman and Captain America infiltrate the Grandmaster's headquarters, and see the number of games the Grandmaster is playing simultaneously.