The Flash [Barry Allen]; Gorilla Grodd; Raijin (God of Lightning); Dr. Meena Dhawan [Fast Track; Negative Flash]; Black Hole agents; Iris West; unnamed Central City citizens; Kid Flash [Wally West] (second Wally West); Avery Ho; Multiplex [Danton Black]; unnamed police officers (flashback); Henry Allen [flashback); Kristen Kramer (flashback); Justice League [Batman [Bruce Wayne]; Superman [Clark Kent]; Green Lantern [Hal Jordan]; Cyborg [Victor Stone]; Wonder Woman [Diana of Themyscira]; Aquaman [Arthur Curry]] (flashback); Professor Zoom [Reverse-Flash; Eobard Thawne] (flashback); Flash [Wally West] (original Wally West)
Synopsis
Aided by Raijin and Meena, a dying Grodd attempts to steal the power of the Speed Force from Barry to save himself. Kid Flash and Avery arrive to help Barry, but are they a match for Grodd?