| This is starting to sound like a bad comic book plot|
This character is non-canon to Spider-Man: The Animated Series.
At some point Jack O'Lantern was captured by Spider-Man and sent to prison.
Escape from Ravencroft
Jack O'Lantern along with some of Spider-Man's other enemies escaped Ravencroft.
When Jack O'Lantern began to cause havoc in New York City, Spider-Man fought and defeated him and sent him back to prison.
Jack O'Lantern has no superhuman powers. He instead uses a variety of gadgets such as body armor, a hovercraft and several other weapons.
In the comics
Steven Levins became Jack O'Lantern after Jason Macendale (the first Jack O'Lantern) and started working for the Red Skull as a member of a gang of supervillains called the Skeleton Crew.