Everyone knows that the infamous living costume that Spider-Man accidentally brought back from the Secret Wars would someday become the wicked web-slinger known as Venom but what happened before Peter Parker discovered the suit's sinister symbiotic secret? Find out in this dynamic tale from comics legends Peter David and Greg Land! Set during the original 'Alien Costume Saga,' this all-new story pits the black-suited wall-crawling wonder against that most mystifying of menaces: Mysterio! Collecting: Symbiote Spider-Man 1-5.