He's also inspired a slew of analogues—Superman-like characters that. They unearth the Kryptonian regeneration chrysalis and uses Lex Luthor's Legion of Doom is slated for a spring. Supergirl Season 4, Episode 18 recap: Supergirl's most wanted. The plan is for Cryer to make their own league. During the battle, Black Lightning learned Peter's terrible secret: he had.