Turned out the Goblin Formula also gave him a Wolverine-style healing factor, which allowed him to survive being impaled by his own glider. He escaped from the morgue after killing someone with a similar physique to switch for himself, fled to Europe, and spent the next however-long-it-was in comics time orchestrating basically every shitty thing that happened to Peter in the ensuing years, including being the mastermind behind the Clone Saga nonsense.