"The Flash" movie is an upcoming superhero film based on the DC Comics character of the same name. It is set within the DC Extended Universe (DCEU), which is a shared universe that includes other DC Comics characters like Batman, Superman, Wonder Woman, and Aquaman. As of my knowledge cutoff in September 2021, here is what is known about "The Flash" movie:

Title: "The Flash" (Official title may vary upon release)

Release Date: The film is scheduled to be released on November 4, 2022.

Director: The movie is directed by Andy Muschietti, known for his work on the "It" horror film adaptations.

Cast: The film stars Ezra Miller as Barry Allen / The Flash, reprising his role from previous DCEU films. The cast also includes Michael Keaton as Batman/Bruce Wayne, Ben Affleck as Batman/Bruce Wayne, Sasha Calle as Supergirl/Kara Zor-El, and others.

Plot: The plot of "The Flash" movie is expected to draw inspiration from the comic book storyline "Flashpoint," which involves Barry Allen traveling through time and altering the timeline, resulting in significant changes to the DC Universe. This storyline allows for the exploration of alternate realities and the appearance of multiple versions of DC characters.

Other details: The film is expected to explore the multiverse concept, which opens up possibilities for crossovers and interactions with different versions of DC characters. It is also anticipated to establish a new direction for the DCEU and potentially serve as a soft reboot of sorts.

It's worth noting that movie details and release dates are subject to change, and new information may have been released since my knowledge cutoff in September 2021. Therefore, it's a good idea to check for the latest updates and official announcements regarding "The Flash" movie.