The Burglar

The Burglar is the first villain Spider-Man ever encountered. He is the criminal who killed Uncle Ben.

History
When this unnamed criminal broke into the house of May and Ben Parker, he was frightened by Ben and shot him. The bullet killed Ben, whiched caused his nephew Peter to capture the burglar as Spider-Man, starting his superhero career.

He later returned in an alliance with Mysterio.When Spider-Man appeared to thwart them, the burglar died of a heart attack.