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‘Supergirl’ (Season 3): Defeating Supergirl | TV Equals
It has been apparent since the beginning of this season of Supergirl that Kara was going to have to face down her toughest foe yet in the form of Reign, the World Killer – the other Kryptonian (other than Kara’s cousin Superman) who escaped before the planet imploded. It was just a matter of when and how that was