It appears that Fantastic Four is really a 20th Century Fox film ... but Disney's Marvel Entertainment had an association with the production.
I see films from several of the 6 MAJOR Studios on the 4K Studios Calendar ... Must be contracts in place in order for 4K Studios to be working on them ...
20th Century Fox ... *** Fantastic Four *** The Martian *** Life of Pi *** Ice Age: Collision Course
Columbia Pictures *** Passengers
Walt Disney Studios Motion Pictures *** Rogue One
Paramount Pictures ... *** Indiana Jones and the Last Crusade ... *** The Big Short ... *** 13 Hours: The Secret Soldiers of Benghazi ... *** Zoolander 2 ... *** Whiskey Tango Foxtrot ... *** 10 Cloverfield Lane ... *** Everybody Wants Some !! ... *** Florence Foster Jenkins ... *** Ben-Hur ... *** Jack Reacher: Never Go Back ... *** Arrival ... *** Allied ... *** Fences ... *** Silence ...
There's even a film from UA (Division of MGM) ... which is NOW considered to be a Mini-MAJOR Studio ...
United Artists (Division of MGM) ... ... *** Octopussy