Dark periods ahead for Kara .

Image: WARNER BROS

“Kara Danvers was a mistake.”

Those words were the biggest amaze of the Supergirl panel at Comic-Con Saturday, as the showrunners pestered a Season 3 that looks certain to get as dark for the girl of steel as Season 3 of the The Flash did for that hero.

“The theme of Season 3 is ‘what does it mean to be human? ‘”, said new showrunner Jessica Queller. “All of the characters will be exploring that topic, especially Kara.”

The Supergirl panel also confirmed that Calista Flockhart’s Cat Grant will return as a regular character, and that Heroes superstar Adrian Pasdar will play a highly topical real estate tycoon villain.

Supergirl returns to the CW October 9.

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