In 1985, Canon films bought the license from Marvel for Spiderman but got confused that the spider-man is a horror character.
In 1990 Carolco pictures bought the locense for Spider-Man and hired James Cameron to direct the movie but due to financial issues movie was cancelled.
After Spider-Man 3, part 4 was in production and the villain was going to be Dr. Curt Conners as Lizard. But Raimi hated the script and in 2010 part 4 was cancelled.
Both the movies were scheduled to release in 2016 and 2018 but after the negative reception of part 2, both the movies were cancelled.
In 2013, Sony announced a spin off to the Amazing Spider-Man focused on Venom. But later on the idea was postponed and eventually it was released as Venom starring Tom Hardy in 2018.