It seems that, instead of another Fantastic Four Movie, 20th Century Fox is going to try a stand alone movie featuring their archenemy, Dr. Doom. Legion showrunner Noah Hawley revealed this at the San Diego Comic Con last Thursday.
Full story is here at Newsarama’s website. Doctor Doom Movie In Development at 20th Century Fox
Here’s a YouTube video explaining the origin of Doctor Doom. It sounds like a good movie.