Cloverfield and Pure Genius star Odette Annable will join Melissa Benoist (Supergirl) as season 3's main villain Reign.
Warner Bros. Television confirmed that "Reign will be the big bad of Season 3, as part of an exciting interpretation of the infamous World Killer story line from the pages of the DC Comics."
"Greg [Berlanti] and I have wanted to work with Odette for years," said executive producer Andre Kreisberg. "We are beyond excited to have her join our cast in the scary, powerful and heartbreaking role of Reign."
One thing that is nice about this character is 100% a Supergirl villain. Which the show has been lacking since the start with mainly Superman/Supergirl villains.
Introduced in 2012, Reign is a Worldkiller and her origin is a mystery even to her. All she knows about herself is her name, that she is a Worldkiller, and that Krypton and Earth hold the answers for her questions about her origin.
In the comics, she attempted to find her answers on Krypton, only to arrive and find it already destroyed. She tracked down the remains of Argo City, and ultimately made her way to Earth to face off with Supergirl.
Reign would be a solid character to include because she has very little story to fall back on, so writers could build a life around what's there and have flexibility without too badly breaking what comics fans expect.
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