Scott Lang is the protege of Henry Pym, and later took on the title of Ant-Man. He was an expert burglar who never wanted to hurt anyone. After he stole the ant man suit he gave up his life of crime an tried to return it. The owner's daughter called the cops on him though. The owner, Henry Pymn busted him out and trained him to stop a corrupt CEO from selling a similar suit called the yellowjacket to hydra.