 During Wonder Woman's first few months in the United States, the Amazon discovered a group of men infected with the Maru Virus, a poison that drives its victims to rage-induced murder.Ten years later, after Wonder Woman had discovered she had been living a lie for several years, Veronica Cale sent Doctor Poison to attack the Amazon.In the "Watchmen" sequel "Doomsday Clock", Doctor Poison is among the villains that attend an underground meeting held by Riddler that talks about the Superman Theory.