Fan Casting WHAT IF? : Multiverse War

An unknown multiversal threat grows so immense that even Uatu the Watcher can no longer remain a mere observer. A chain of alternate events across different universes where Tony Stark dies, Peggy Carter becomes Captain America, and Doctor Strange turns to the dark side begin to collide. All of these fractured realities converge into one terrifying scenario: Infinity Ultron has survived, and he is now attempting to conquer the entire multiverse.