Stan Lee and Steve Ditko
Based on the Marvel Comics character by
for Based on the Marvel Comics character by in James Cameron's Spider-Man: The Movie (1996)
Suggested by humbertonajera
The film would have been an origin story with a 17-year-old Peter Parker and the main antagonists being two villains such as Boyd (a.k.a. Sandman) and Carlton Strand (who is loosely based on both Electro and Kingpin).