Earth 17

''Captain Adam Strange leads his Atom Knights of Justice on a desperate, last-chance quest to preserve the remnants of humanity 50 years after a nuclear war in 1963. Facing monstrous mutations, mad science and human heartbreak on the way to rebuilding the ruined world of 21st century Novamerika, they seek the Cosmic Grail - the only weapon that will defend against the coming threat of Darkseid the Destroyer.''