 Soon after, Batman manages to revive the Joker.Sometime after "No Man's Land" ends, the JLA disappears on a mission to locate Aquaman and Atlantis (The Obsidian Age).Before they vanish, Batman instigates a contingency plan, in which a handful of heroes would be assembled to create a new JLA, consisting of Nightwing, Green Arrow, the Atom, Hawkgirl, Major Disaster, Faith, Firestorm and Jason Blood.