Ben Parker was a boy around the time of World War II. He was in love with May Parker, who was in love with a criminal. Ben convinced her that her lover was no good, and the two married.
When Ben's brother Richard and his wife Mary died, Ben and May decided to raise their son Peter as their own. Peter loved his uncle and aunt more than anyone in the world. Ben was killed when a burglar was robbing their house. Ben accidentally surprised him causing the burglar to shoot him. His death sparked the transformation of Peter Parker into Spider-Man.
He once returned for five minutes as part of a birthday present from Doctor Strange for Peter Parker.