No Merchandising. Editorial Use Only. No Book Cover Usage Mandatory Credit: Photo by W.Disney/Everett/REX/Shutterstock (1706704x) THE AVENGERS, Robert Downey Jr as Iron Man The Avengers - 2012

Photo credit: W.Disney/Everett/REX/Shutterstock (1706704x)

This is interesting – Spider-Man is said to have had a short appearance in the 2010 Iron Man movie (theorized by some Marvel fans), seen in the video below: