Issue: #15
Last valuation update: 2026-10-28
As the JLA/JSA/All-Star Squadron teams defeat the Crime Syndicate on both Earth Prime in 1962, and Earth-2 in 1942, thereby preventing the stolen nuclear missiles from going off on both worlds, Per Degaton still as one more trick up his sleeve-use the last hidden stolen nuclear missile and detonate it in 1942, thereby forcing Earth-2's leaders to surrender to him.Master of Worlds & Time!Per De...
Creators: John Costanza, Roy Thomas, Jerry Ordway, Gerry Conway, Tatjana Wood, Joe Kubert, Carl Gafford, Adrian Gonzales
Characters: Superman, Power Girl, Hawkman, Zatanna, Aquaman, Kent Nelson, Adolf Hitler, Alan Scott, Libby Lawrence, Libby Lawrence, Huntress (Wayne), Ultraman, Firestorm, Professor Martin Stein, Professor Martin Stein, Johnny Quick, Owlman, Power Ring, Superwoman, Skeletor
Story arcs: Crisis on Earth-Prime