Battle for the Multiverse

"Well, this is it. This is the very ending of the very end. I was leading the charge for the Grand Alliance, the Future Alliance and all our fellow allies that're being unified against the Coalition of the Red Star and the Empire of Darkness. That could be one of the largest conflicts in history after surviving unending bouts of radiation. I hope this is gonna be it."

--Su Ji-Hoon, The Final Battle

The Battle for the Multiverse was the decisive final battle for the fate of Earth and the entire multiverse, fought among the Grand Alliance, the Future Alliance, and their fellow allies united against the Coalition of the Red Star and the Empire of Darkness. The monumental scale of the battle makes it one of the largest conflicts in history.

It will be happened in during the final World War III that the Grand Alliance will defeat the enemies (this means that this battle will mark the official ending of the Great Interdimensional War).

Prelude
Believing his foes defeated, Supreme Leader Victor Nevarez vowed to take great pleasure in using the Dark Empire's Immortal Armada to conquer the multiverse as revenge against the Grand Alliance for interfering in his plans. Victor then summoned the full might of his army, composed of the Sinestro Corps, the Red Lantern Corps, the Knights of Ren, the Death Eaters, the Black Order, Parademons, Xenomorphs, Decepticons, Sith Troopers, Combine Soldiers, Battle Droids, Chitauri, Sakaarans, Outriders, Chitauri Gorillas and Leviathans, to the surface of Exegol. In spite of overwhelming odds, Su Ji-Hoon managed to rise to stand against Nevarez's massive army when he suddenly received a message over his communications from Falcon.

Shortly after, portals created by Doctor Strange and the Masters of the Mystic Arts began to open up behind them, revealing the allies of the Alliance: the Girl Union, the Future Alliance, the Sonic Alliance, the Buttertoast Alliance, the Coalition of the Red Phoenix, the Beleninsk Pact, the New Central Powers, the Sweet Allies, the Green Lantern Corps, the Power Rangers, the Dora Milaje and the Wakandan tribes, and the Masters of the Mystic Arts from all around the Earth, as well as the Amazons, the Atlanteans, the Asgardians and the Ravagers.

Iron Man, Captain America and Thor join the fight along with Black Panther, Shuri, Falcon, Doctor Strange, Drax, Mantis, Star-Lord, Spider-Man, Winter Soldier, Groot, Scarlet Witch, Wong, Wasp, Pepper Potts (donning a blue-and-silver armor), Okoye, M'Baku, Valkyrie, Korg, Miek, Howard the Duck, Kraglin Obfonteri, Ant-Man, Professor Hulk, War Machine and Rocket.

Heroes from other universes join the battle such as the Fantastic Four (The Thing, Mr. Fantastic, Invisible Woman and Human Torch), the X-Men (Wolverine, Jean Grey, Cyclops, Nightcrawler, Storm, Beast, Angel, Psylocke, Magneto, Iceman, Kitty Pryde, Rogue, Colossus, Negasonic Teenage Warhead, Yukio, Deadpool, Domino, the Juggernaut and Cable), the Incredibles (Mr. Incredible, Elastigirl, Violet, Dash and Frozone), Justice League (Batman, Wonder Woman, Superman, Aquaman, Cyborg, Flash, Martian Manhunter, Green Lantern, Shazam and his family), the Suicide Squad (Deadshot, Harley Quinn, Rick Flag, Captain Boomerang, Killer Croc, El Diablo, Bane and Enchantress), Kick-Ass, Ghost Rider, Gwen Stacy/Spider-Woman and her boyfriend, Eddie Brock/Venom, Doom Slayer, Master Chief, and even allies from other dimensions; Capt. James T. Kirk and his crew arrive on the USS Enterprise, along with Alita (from Alita: Battle Angel), the Terminator T-1000 (from The Terminator) and Alex Murphy/RoboCop (from RoboCop).

The two sides held a short standoff before Ji-Hoon gave the call sign and the two sides collided.

The Battle
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Aftermath
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Trivia

 * This battle is a mix between Avengers: Endgame 's Battl e of Earth and Star War s: The Rise of Skywalker's Battle of Exegol.