Cyborg [Victor Stone]; Variant [Scarlett Taylor]; Mecha-Humans; Beast Boy [Garfield Logan] (from an alternate reality); Elinore Stone (from an alternate reality); Xenephon "Exxy" Clark; Anomaly [Dr. Silas Stone clone; O.T.A.C. 13]; Dr. Silas Stone (from an alternate reality, video image, flashback); Sergeant Saulsberry (resistance fighter); other unnamed resistance fighters; Brother Blue Evans (in Cyborg's vison); Dr. William Magnus (from an alternate reality, video image, flashback); Metal Men [Tin; Platinum; Iron; Lead; Mercury] (from an alternate reality); Cyborg [Victor Stone] (from an alternate reality, video image)
Synopsis
Trapped in an alternate reality where humanity has fallen and the world is ruled by technological Mecha-Humans created by the O.T.A.C virus, Cyborg, Variant, Exxy, and that world's Beast Boy must retrieve the antidote to the virus created by that world's Silas Stone. But the antidote is guarded by that world's Metal Men who see Cyborg as an imposter trying to steal the formula.