Fantastic Four 4

The information you requested about Fantastic Four 4 actually refers to the upcoming Marvel Studios film The Fantastic Four: First Steps. The film is a reboot of the Fantastic Four franchise and is the fourth major cinematic effort for the superhero team.
Here are some of the main details about the film so far:
Title: The Fantastic Four: First Steps
Release Date: The film is set to be released on July 25, 2025 (August 3, 1404). This date has been pushed back several times and is now set to be the first film in Phase 6 of the Marvel Cinematic Universe (MCU).
Director: Matt Shakman, who previously directed the critically acclaimed WandaVision series.
Main cast:
* Pedro Pascal as Reed Richards / Mr. Fantastic
* Vanessa Kirby as Sue Storm / Invisible Woman
* Joseph Quinn as Johnny Storm / Human Torch
* Ebon Moss-Bachrach as Ben Grimm / The Thing
* Julia Garner as Shala-Ball / Silver Surfer
* Ralph Ineson as Galactus
Story:
* Exact plot details have yet to be fully revealed, but trailers and posters suggest the film will have a nostalgic, 1960s-inspired vibe.
* The film is said to not tell the origin story of the Fantastic Four, but rather introduce them in a world where they have already gained their powers.
* The Fantastic Four come from a parallel universe to the main MCU universe (Earth-616).
* The film's main villain, Galactus, will be the planet-devourer.
Production Status:
* Filming for "The Fantastic Four: First Steps" began in July 2024 and wrapped in November 2024.
* The film is currently in post-production (editing, visual effects, sound, and music).
Significance in the MCU:
The film is very important for the future of the MCU and is set to kick off Phase 6. It has also been confirmed that the events of this film will lead directly into "Avengers: Doomsday" (December 2026) and "Avengers: Secret Wars" (2027).
If you mean "Fantastic Four 4" as a sequel to the previous "Fantastic Four" films (such as the 2005 and 2007 Tim Story films or the 2015 film), you should know that these films are not direct sequels and Marvel Studios has decided to bring the "Fantastic Four" team to the MCU with an entirely new story and cast. More information and trailers for the film are already available and you can find them by searching for "The Fantastic Four: First Steps".