In the future, humanity has disappeared from a world overrun by the Green. Swamp Thing leads a race of plant beings as he searches the planet to find any surviving humans.
Venen leads Swamp Thing and his plant beings to a group of human survivors at a S.T.A.R. Labs facility, unaware that Woodrue has built a doomsday device that uses Obsidian to...
The Optitron corporation wants to bankroll both the Titans and Young Justice as a tax write-off. The meeting is interrupted when a mysterious blue-skinned cybernetic organism...
