Fantastic Four: The Negative Zone Is a cancelled film Reed Richards creates a portal to another dimension knows as the Negative Zone and he and his friends enter to explore new planets. Unfortunately the Four encounter Annihilus, the insect-like ruler of much of the Zone, who tries to steal Reeds portal technology and use it to invade Earth. It soon becomes a race against time for the Fantastic Four to return home in order to stop Annihilus before he takes over the world.
Add filmmakers and cast the films/shows/franchises (or concepts) that they were rumored, considered, offered, negotiated, turned down, and/or partially contributed before departing. (Please double-check in research.)