The Flash 3 (film)

The Flash 3 is the imagined sequel to The Flash 2 and is set in the DC Cinematic Universe. It is the final film in The Flash trilogy.

Plot

 * The truth regarding Harrison Wells aka Eobard Thawne is revealed. Barry learns that he killed Henry Allen's wife. It is revealed that he is also a descendant of Malcolm Thawne, Barry Allen's long-lost twin brother, who has since turned into the villain Cobalt Blue. It is revealed that Wells came from the future using his powers.
 * Cobalt Blue kills Henry Allen.
 * Wally West is an intern at STAR Labs and gains speedster powers after an accident caused by Reverse-Flash.
 * The Flash, Cyborg, and Kid Flash team up to take down Reverse-Flash and Cobalt Blue.
 * Cobalt Blue kills himself to destroy Reverse-Flash.
 * In the credits scene, Mercy Graves and enforcers release Captain Cold from prison.

Cast
Additionally, Paul Giamatti plays Paul Giambi, a designer of The Flash's suits. Daniel Durant returns as a reformed Pied Piper, who joins the Central City Police Department. Joyce Hyser plays Angela Margolin, a crime scene investigator. Wes Bentley and Tao Okamoto appear in the credits scene as Leonard Snart/Captain Cold and Mercy Graves, respectively.
 * Rick Cosnett as Barry/Allen/The Flash
 * Michael C. Hall as Harrison Wells
 * Skylar Samuels as Iris West
 * Matt Letscher as Eobard Thawne/Reverse-Flash
 * Lucas Till as Malcolm Thawne/Cobalt Blue
 * Shantel VanSanten as Patty Spivot
 * Ray Fisher as Victor Stone/Cyborg
 * John Wesley Shipp as Henry Allen
 * Patrick Sabongui as David Singh
 * Corey Fogelmanis as Wally West/Kid Flash

Future
Although this is the finale to The Flash trilogy, Barry Allen will appear in The Justice League II and III,

An aging Barry Allen will also star in the event film, Flashpoint.