Paul Dini (head writer); Keith Giffen (story consultant); Adam Beechen
Challengers of the Beyond [Green Lantern [Kyle Rayner]; Donna Troy; Red Hood [Jason Todd]]; Atom [Ray Palmer]; Holly Robinson; Harleen Quinzel [Harley Quinn]; Mary Marvel [Mary Batson]; Una [Luornu Durgo] (dies); Firestorm [Jason Rusch]; Jimmy Olsen; Forager; The Hairies; Justice League [Batman (Earth-?); Flash (Earth-?); Martian Manhunter [J'onn J'onzz] (Earth-?); Superman (Earth-?); Wonder Woman (Earth-?)]; Teen Titans [Robin [Tim Drake] (Earth-?); Blue Beetle [Jaime Reyes] (Earth-?); Wonder Girl [Cassie Sandsmark] (Earth-?); Kid Devil [Eddie Bloomberg] (Earth-?)]; Buddy Blank (Earth-?); Buddy Blank's gradson (the future Kamandi); Brother Eye (Earth-?); VILLAINS: The Morticoccus; Joker (Earth-?; cameo); Dr. Light [Arthur Light] (Earth-?; cameo); Lex Luthor (Earth-?; cameo)
With his world burning all around him, Buddy Blank and Una go looking for Buddy's grandson. They find him, but Una dies protecting him. Buddy takes his grandson to the Command D bunker to shelter him from the atomic bombs. Helpless to do anything further, the New Earth heroes boom tube away.
This story is told completely from the view of Buddy Blank. This is the Great Disaster talked about in the Jack Kirby KAMANDI series.