Justice League [Martian Manhunter [J'onn J'onzz]; The Flash [Barry Allen]; Superman [Clark Kent; Kal-El]; Green Lantern [John Stewart]; Batman [Bruce Wayne]; Wonder Woman [Diana of Themyscira]; Hawkgirl [Kendra Saunders]; Mera]; Lionel Luthor (flashback); Professor Anthony Ivo; Amazo; the World Forger [Alpheus]; the Monitor [Mar Novu]; the Anti-Monitor [Mobius] (flashback); Alexander Luthor (Earth 3, flashback); The Batman Who Laughs (flashback); Dark Robins (flashback); Shayne (future son of Hawkgirl and J'onn J'onzz); The Atom [Ryan Choi]; Starman [Will Payton]; Lex Luthor
Synopsis
Professor Ivo has captured J'onn J'onzz and wants to use his DNA to create an army of living weapons following Lionel Luthor's designs. The League goes in search of the Monitor to help them in the battle to save the Multiverse. Hawgirl leaves the Hall of Justice to search for J'onn, while Shayne ponders his place in the world.