Challengers of the Unknown — DC Comics
Issue: #87
Last valuation update: 2022-08-03
“TWELVE MILLION YEARS TO TWILIGHT.” In 12,000,000 AD, Ace, Rocky and June make a prison break, while Swamp Thing holds back mutants. Back in 1978 Prof is saved from a monster when Red returns, cranks up the lab temperature and cooks the creature, as the Justice League routs the remaining monsters. In the future, the Challs reach the breeder labs and blow them up as Swamp Thing battles the giant Pe...
Creators: Dick Giordano, Keith Giffen, Ben Oda, Gerry Conway, John Celardo, Alex Saviuk, Jerry Serpe, Jack C. Harris
Characters: Batman, Swamp Thing, Etrigan, Ace Morgan, June Robbins, Prof Haley, Red Ryan, Rocky Davis, Deadman, Elongated Man, Rip Hunter, Lucas Lawspeaker, Corky Baxter