🔑First appearance of the Vulture in Duel to the Death with the Vulture!, The Vulture is so confident in his abilities that he announces his plans to steal a diamond shipment to the police; When Spider-Man hears this he decides to stop the Vulture. The Uncanny Threat of the Terrible Tinkerer!, When Peter Parker discovers some alien modifications to a professor's radio he tracks down a group of aliens with plans to take over the Earth. Reprinted in Marvel Tales # 139.
