Captain Atom [Nathaniel Adam]; Amanda Waller; The Atom [Ray Palmer]; Green Arrow [Oliver Queen]; Lois Lane; Superman [Clark Kent; Kal-El]; Martha Kent; Superboy [Jon Kent]; Green Lantern [Dinah Lance; Black Canary]; Robin [Damian Wayne]; Wonder Girl [Cassie Sandsmark]; Beast Boy [Garfield Logan]; Hawkgirl [Kendra Saunders]; Lex Luthor; Mera; Queen Hippolyta; Wonder Woman [Diana of Themyscira]; The Flash [Barry Allen]; Kid Flash [Wallace West] (second Wally West); Harley Quinn [Harleen Quinzel]; Batgirl [Barbara Gordon]; Batwoman [Kate Kane]; Huntress [Helena Bertinelli]; Catwoman [Selina Kyle]; Poison Ivy [Pamela Isley]; Black Lightning [Jefferson Pierce]; Thunder [Anissa Pierce]; Giganta [Doris Zeul]; Cyborg [Victor Stone]; Alfred Pennyworth; Lightning [Jennifer Pierce]
Synopsis
Amanda Waller orders Captain Atom to destroy those affected by the zombie virus, but he becomes infected himself. Superman gathers heroes in Metropolis to fight the zombies when they are attacked by zombie Giganta. Mera, having lost Atlantis, joins Hippolyta and Wonder Woman on Themyscira, and then they travel to Metropolis to join Superman. Harley is attacked by zombie Birds of Prey. After receiving a warning from Hawkgirl, Superman and Wonder Woman race to stop an infected Captain Atom from destroying Washington.