Fan Casting Spider-Man and The Flash: Into the Multiverse

An MCU/DCEU crossover that sees Spider-Man and Flash team up to repair the damage done to the multiverse: After the events of 'Far From Home', Peter Parker asks Dr. Stephen Strange to wipe everyone's minds of those events, only for the spell to go array. At the same time, Barry Allen, aka the Flash, uses the Speed Force to save his mother. Both events cause the two universes to merge into a completely alternate timeline that is ruled by a group of villains called the Sinister Rogues, led by the Reverse Flash and the Green Goblin. Now, the two young heroes team up with each other, two alternate versions of Batman and Spider-Man, Supergirl, Daredevil, an Dr. Strange stop the villains and save the multiverse.