JLA Superpower #1

As a super-powered human, Mark Antaeus fights for justice, using his extra strength and speed to help others. But when 4 people die that he tries to rescue, he decides to get S.T.A.R. Labs to make him even more powerful. He joins the JLA, but they have a falling out with him when Mark decides to take matters into his own hands against an oppressive regime and creates an international incident.