The Challengers from Beyond [Green Lantern [Kyle Rayner]; Donna Troy; Jason Todd]; Justice League [Green Lantern [Kyle Rayner] (Earth-15); Wonder Woman [Donna Troy] (Earth-15); Batman [Jason Todd] (Earth-15)]
Paul Dini (head writer); Jimmy Palmiotti; Justin Gray
Keith Giffen (breakdowns); Jesus Saiz
Jared K. Fletcher
The Challengers from Beyond [Green Lantern [Kyle Rayner]; Donna Troy; Bob the Monitor; Jason Todd; The Jokester (Earth-3)]; Justice League [Atom [Jessica Palmer] (Earth-15); Green Lantern [Kyle Rayner] (Earth-15); Superman [Zod] (Earth-15); Wonder Woman [Donna Troy] (Earth-15); Batman [Jason Todd] (Earth-15)]; Pied Piper [Hartley Rathaway]; Trickster [James Jesse]; Justice League [Batman [Bruce Wayne]; Green Lantern [Hal Jordan]]; Hawkman [Carter Hall]; Plastic Man [Eel O'Brian]; Power Girl; Karate Kid [Val Armorr]; Una [Luornu Durgo]; Buddy Blank; Brother Eye; Jimmy Olsen [Mr. Action]; Mickey Cannon; Serling Roquette; Monitors; Holly Robinson; Harleen Quinzel [Harley Quinn]; VILLAINS: Joker; Poison Ivy [Pamela Isley]; Heatwave [Mick Rory]; Killer Croc [Waylon Jones]; Psimon [Simon Jones]; Mammoth [Baran Flinders]; Black Spider [Derrick Coe]; Cheetah; Mr. Freeze [Victor Fries]; Phobia; Clayface; Girder; Double Down [Jeremy Tell]; Granny Goodness [disguised as Athena]
Trickster and Pied Piper escape from Green Arrow and Black Canary's wedding, Jimmy escapes from Cadmus, Karate Kid meets Brother Eye, The Challengers from Beyond land on Earth-15 and Athena brings Holly and Harleen to Themyscria.