Fan Casting The Flash (2022 Film)

After the events of Zack Snyder's Justice League, Barry Allen has discovered that he cannot only reverse time with his powers when he access the "Speed Force", he can also travel to other alternate universes in the Multiverse, but what consequences will The Flash going to accidentally create for traveling to the Multiverse specially when a Reverse-Flash tries to kill him so then he can become the one and only true Flash.