Plot summary
When monstrous plants attack major cities around the world, Batman assigns the Team a dangerous task: taking out the plants' masters, the Injustice League (consisting of the Joker, Atomic Skull, Poison Ivy, Ultra-Humanite, Count Vertigo, Black Adam, and Wotan ). In the end, it is revealed that the League is a " fall guy " meant to prevent the heroes from discovering the involvement of the Light, a supervillain group consisting of Vandal Savage, Lex Luthor, Ra's al Ghul, Ocean Master, Brain, Klarion, and Queen Bee ).
Credits
Adapted from Wikipedia contributors, List of Young Justice episodes. HTML formatting and reference markers removed.