Slug was a powerful drug lord whose full history and origin remain unknown. Slug first came into conflict with the heroes Captain America and Nomad, as the two heroes raided Slug's luxury yacht. Nomad was already beginning to use excessive force at this time, and Nomad assumed that Slug perished when his yacht exploded in the battle. The Slug was later pursued by Poison, who ultimately confronted him at his estate but allowed him to live. The real Slug is later seen as part of the Hood's criminal gang that is sent by Norman Osborn to attack the New Avengers.