The Injustice Gang was a orginization filled with super-villians by the eluding Libra to take a stance and destroy the JSA. Although Lex Luthor officialy started and organized the gang after Libra took a energy stealing device and transfered half of the stolen energy from the Milky Way into his own body. He was then dispersed among the cosmos. It was then years after that Lex Luthor gathered six of the world's most deadliest and lethal villians to destroy the JSA. He then took the team to destry the JLA watch tower headquarters, but failed. Though after there defeat it was found out that they were pawns of the Celestial Warbringer Mageddon as a first-wave strike to destroy Earth.