Spider-Man 4

Spider-Man 4 was a proposed sequel to Spider-Man 3 with a 2011 release.

Plot
Unknown

Cast

 * Tobey Maguire as Peter Parker / Spider-Man
 * Kirsten Dunst as Mary-Jane Watson
 * John Malkovich as Adrian Toomes / Vulture
 * Anne Hathaway as Felicia Hardy / Vulturess
 * Bruce Campbell as Quentin Beck / Mysterio
 * Rosemary Harris as Aunt May
 * J.K. Simmons as J. Jonah Jameson
 * Bill Nunn as Joseph "Robbie" Robertson
 * Elizabeth Banks as Betty Brant
 * Bryce Dallas Howard as Gwen Stacy
 * Dylan Baker as Dr. Curt Connors / The Lizard
 * James Cromwell as George Stacy

Why It Was Cancelled

 * 1) Spider-Man 3 got polarizing reviews from critics and audiences.
 * 2) Many fans were disappointed with Spider-Man 3.
 * 3) Sam Raimi, the director of the first three films admitted that he was exhausted and unhappy with the third film and decided to cancel the fourth film.
 * 4) Bill Nunn died in 2016.

Result
Marvel hit the reset button with two reboot films The Amazing Spider-Man in 2012 and The Amazing Spider-Man 2 in 2014. Then in 2017, Sony released the most recent reboot Spider-Man Homecoming as part of the Marvel Cinematic Universe.