As of October 2023, Zac Efron is not confirmed to be playing any character in the upcoming "Fantastic Four" movie. The film's casting has included other actors in key roles, such as Reed Richards, Sue Storm, Johnny Storm, and Ben Grimm, but Efron's involvement has not been officially announced. Please check for the latest updates, as casting details can change.

The Fantastic Four consists of four main characters, each with unique powers: 1. **Mr. Fantastic (Reed Richards)** - The leader with the ability to stretch his body into various shapes. 2. **Invisible Woman (Sue Storm)** - Reed's partner, who can become invisible and create force fields. 3. **Human Torch (Johnny Storm)** - Sue's younger brother, who can ignite himself in flames and fly. 4. **The Thing (Ben Grimm)** - Reed's best friend, transformed into a super-strong rock-like creature. Together, they fight against various villains and protect the world.

As of October 2023, the "Fantastic Four" movies are not available on Disney+. The rights to the original "Fantastic Four" films and the 2015 reboot belong to 20th Century Studios, which is now part of Disney, but they may not be included in the Disney+ catalog. Marvel's more recent adaptations and related content are available on the platform. For the latest availability, it's best to check directly on Disney+.

As of now, "Fantastic Four" (2025) has not been released, so it's impossible to determine whether it will be a hit or a flop. The film is part of the Marvel Cinematic Universe and has generated anticipation due to the franchise's popularity. However, its success will depend on factors such as critical reception, box office performance, and audience response upon release. Keep an eye on reviews and box office numbers after its release for a clearer picture of its success.