Now, we have an official description of the film, a rare bit of news from Marvel itself:

The official synopsis for Marvel's upcoming Fantastic Four movie has surprisingly been released, and it gives away some big hints about the Marvel Phase 6 film.

First Steps is still seven months away, with filming still happening in Europe at this very moment. Marvel keeps most of its projects close to the vest, however, the studio revealed the first synopsis for The Fantastic Four: First Steps,

First Steps are now set. An official synopsis for Marvel's upcoming Phase Six movie recently dropped in an official Disney+ press release, hyping up the team's alternate reality, family dynamics, and cosmic threats they must battle together.