One of Spider-Man’s Most Important Villain Debuts Came With a Very Unusual Cover ( This Issue Is Worth Thousands Today)

After Batman, Spider-Man undoubtedly has the most iconic rogues gallery. The Sinister Six has ruined Spider-Mans life in many ways, often affecting his real life persona, and even killing him in a few instances. While very few heroes or villains ever stay dead in comics, Spider-Man has taken his sha