Marvel just release teaser of Fantastic Four: First Step, the trailer basically confirmed that the film is set in another universe and that the main villain is none other than Galactus and Silver Surfer.
Here’s the premise of the film;
On a 1960s-inspired retro-futuristic Earth, the Fantastic Four must protect their home from being devoured by the cosmic being Galactus and his enigmatic herald, the Silver Surfer.
The film is directed by Matt Shakman, Fantastic Four: First Step will star Pedro Pascal as Reed Richards / Mister Fantastic, Vanessa Kirby as Sue Storm / Invisible Woman, Joseph Quinn as Johnny Storm / Human Torch, Ebon Moss-Bachrach as Ben Grimm / The Thing, Ralph Ineson as Galactus and Julia Garner as Shalla-Bal / Silver Surfer.
Fantastic Four: First Step will be the first film, and beginning, of Phase Six of the MCU and is scheduled to be in theaters on July 25th.
