In the final chapter of the 1980s Spider-Man trilogy, Peter Parker faces his darkest test yet. As New York grows more dangerous, a mysterious alien symbiote bonds with Spider-Man, amplifying his powers but slowly corrupting his mind. Peter’s confidence turns into arrogance, pushing away those closest to him — especially Mary Jane.
Meanwhile, Harry Osborn embraces his father’s legacy and seeks revenge, while two new threats rise: the ruthless Sandman and Eddie Brock, who becomes the terrifying Venom. Caught between power and responsibility, Peter must confront the darkness within himself to save the city and finally understand what it truly means to be Spider-Man.