Marvel vs DC: Flashpoint Paradox

Summary
This animated movie involves various heroes and villains from both Marvel and DC. And it's a sequel to the movie Avengers vs. X-Men:Dark Phoenix

Plot
Everyone always wants to correct the past mistakes. The Flash has such power. However, time traveling can bring disastrous consequences for the universe.

During the visit at his mother's grave, Barry Allen noticed an attack on Flash Museum. As he becomes The Flash, he has to deal with Vulture, Mysterio, Captain Cold, Scorpion and Green Goblin. What not even they know is that Reverse Flash hired them and planted some bombs in them. After the Justice League and the Avengers succeeded in preventing the imminent destruction of Central City, the villains got placed under arrest. But Reverse Flash's sociopathy led the Flash to travel back in time and save his mother.

Suddenly he wakes up and finds himself in a different present where the world is ravaged by the war between atlanteans and amazons, Spider-Man has a museum of his own instead of The Flash who also finds out that he got powerless and his mother is still alive. Meanwhile, Captain America (Bucky Barnes) chases after Darkstar and Chemistro in the search for Zemo. When caught, Darkstar resisted and got thrown to his death. Chemistro revealed where Armin Zola is hiding and Bucky goes away. In Gotham, Batman confronts Yo-Yo in hopes to find the Joker's location as the clown has kidnapped Harvey Dent. When Yo-Yo tried to deceive him, Batman threw her only for Cyborg to save her. Then, Barry Allen finds Peter Parker's house and finds out that the Spider-Man he is seeing is Otto Octavius's mind merged with Peter Parker's body. Then both receive a visit from Wolverine who is Akihiro Howlett which made Barry realize that in this altered present, Logan has died.

Meanwhile, in New Themyscira (London). Steve Trevor tried to escape when he heard about Lois Lane's arrival in there. When he found her, both got surrounded by the amazons. But they got saved by Iron Patriot who shields them long enough to help them escaping and then withdraws. When Barry used his ring, he noticed Reverse Flash's outfit instead of his own. Daken realized it and mention that Reverse Flash hates Barry.

During a raid in the drowned Paris, Lex Luthor, Deathstroke, Icycle Jr. and Clayface try to rescue Ravager. But they are attacked by a horde of Atlanteans. Deathstroke is severely injured by Black Manta. But the group is saved by Miss Marvel and Songbird who take them to the H. A. M. M. E. R. Helicarrier where they are protected from both Atlanteans and Amazons.

Barry tried to recover his powers. But the first try results in a failure. Then, while he was sleeping, he got some memories of the altered pasts. (Steve Rogers survived the attempt of murder and trained Kal-El, Peter Parker taking the shot which would kill his uncle and Otto Octavius who also was in the grip of death transferred his mind to Peter's body, Norman Osborn never got under the Goblin's influence and assumed Howard Stark's business besides becoming Iron Patriot and founding the Avengers, Aquaman and Wonder Woman having made a deal which was long broken after Mera finding out the relationship between them and Diana killing her, and last, Bruce Wayne having died and Martha Wayne becoming The Joker) Then he wakes up suddenly and tries again. This time, succeeding and becoming The Flash again.

Hal Jordan (in this altered reality,he never became a Green Lantern) was called for a Kamikaze Attack Operation. When he tried, he got swallowed by a Kraken which resulted in failure. When The Flash tried to undo the reality, he realized he's too slow. Then, they decided to gather some heroes starting for Cyborg, Spider-Man, Captain America and Batman to search for Superman in Kansas where he was trained by Steve Rogers who got surprised by seeing his friend Bucky Barnes again and then Rogers revealed that he donned the identity of Johan Hex while training Superman and both visited Fawcett City where the Shazam Family awaits them and Barry got his memories altered while feeling some pain in his head. When the heroes reunited, Barry woke up and Spider-Man explains that the Atlanteans have Captain Atom and Aquaman intends to use him as a bomb and after Johan Hex's speech, all of the heroes including the Dark Avengers go to London where the final battle between amazons and atlanteans is ensued.

Wonder Woman and Aquaman fought evenly matched until Batman, The Flash and Cyborg decided to take on the King of Atlantis and Captain Thunder, Miss Marvel and Songbird fought the Amazon Queen. Wolverine eventually found Reverse Flash and Spider-Man found the submarine where Captain Atom is trapped. Batman had to fight Black Manta and eventually defeated him with the help of Grifter. Captain America defended Batman from an attack from Ocean Master. When he found Wolverine, Barry subsequently found his archenemy and blames him for all of the mess. When both speedsters race, Reverse Flash revealed why he let Lois Lane see him and allowed Daken to smell him. During the battle, Grifter got himself killed by the amazons. When Barry blames Eobard for what happened to the world, Reverse Flash replies that The Flash was the one who did this. When questioned about doing a good action, Barry replies that he saved his mother. But he thought he wouldn't able to change the events like Bruce's parents or Superman's arrival. But Reverse Flash made it clear how he did it. Iron Patriot was the next to die after saving Captain Thunder from getting killed by Wonder Woman and getting hanged by her lasso. Then, Cyborg was the third to die after having his parts ripped off by Aquaman who lost his arm when Superman cut it with his heat vision. Then, Arthur got stabbed by Diana and tries his last trick by pressing the button in his belt which activated the atomic bomb in his submarine. When Spider-Man managed to save Captain Atom, he finds out that Aquaman implanted a reserve atomic bomb in his armor and tries to take it off. But it was too late. Reverse Flash was the last one to die when Daken arrived and slit his throat and Batman ended the service by shooting at his head. Before The Flash could try to reset the universe, he received a letter from Thomas who ordered him to bring it to Bruce. Then, he stopped his other self and everything returned to normal. Barry realizes it when he woke up and visited his mother's grave, finally understanding what she said. Then, he shared a romantic kiss. And having a little talk with Batman, The Flash gave him the letter of his father. When Batman read it, he got emotional and thanked Barry for this. Then The Flash made a run around the world.

In the post-credits scene, some parademons appeared outside a portal in the Earth's orbit.

Original Universe Cast

 * Chris Evans as Steve Rogers/Captain America
 * Robert Downey Jr. as Tony Stark/Iron Man
 * Tom Holland as Peter Parker/Spider-Man
 * Erza Miller as Barry Allen/The Flash
 * Hugh Jackman as James Howlett/Wolverine
 * Henry Calvin as Clark Kent/Kal-El/Superman
 * Ben Affleck as Bruce Wayne/Batman
 * Gal Gadot as Diana Prince/Wonder Woman
 * Tom Cruise as Hal Jordan/Green Lantern
 * Chris Hemsworth as Thor
 * Jeremy Renner as Clint Barton/Hawkeye
 * Scarlett Johansson as Natasha Romanova/Black Widow
 * Michael Keaton as Adrian Toomes/Vulture
 * Ray Fisher as Victor Stone/Cyborg
 * Tom Cavanagh as Eobard Thawne/Reverse Flash
 * Wentworth Miller as Leonard Snart/Captain Cold
 * Michael Mando as Mac Gargan/Scorpion
 * Jake Gyllenhaal as Quentin Beck/Mysterio
 * James Franco as Harry Osborn/Green Goblin

Flashpoint Universe Cast

 * Sebastian Stan as Bucky Barnes/Captain America
 * Andrew Garfield as Otto Octavius/Superior Spider-Man
 * Willem Dafoe as Norman Osborn/Iron Patriot
 * Kevin McKiddo as Thomas Wayne/Batman
 * Tyler James as Akihiro Howlett/Wolverine
 * Wentworth Miller as Leonard Snart/Citizen Cold
 * Jason Momoa as Arthur Curry/Aquaman
 * Gal Gadot as Diana Prince/Wonder Woman
 * Megan Fox as Melissa Gold/Songbird
 * Deborah Ann Woll as Karla Soften/Miss Marvel
 * Jesse Eisenberg as Lex Luthor
 * Manu Bennett as Slade Wilson/Deathstroke
 * Terry Crews as Clayface
 * Ashton Kutcher as Icycle Jr.
 * Chris Evans as Steve Rogers/Johan Hex
 * Zachary Levi as Captain Thunder
 * Patrick Wilson as Orm/Ocean Master
 * Jeremy Renner as Grifter
 * Wilson Bethel as Lester/Hawkeye
 * Mark Strong as Jason Blood/Etrigan
 * Adam Sandler as Nathaniel Adam/Captain Atom