Mick Yardreigh, of Earth, had a history as a super-villain member of groups like the Taurus Gang and the Legion of Super-Villains. When Chemical Kid of the Legion Academy returned home to the planet Phlon, the Legion enter Chemical Kid's family home only to find it in ruins. Inside, the Taurus Gang, led by Black Mace, are threatening the family and smashing the place apart. A battle ensues in order to rescue Chemical Kid's dad, but Chemical Kid's powers mysteriously fails and the other heroes begin to quickly fall.