Move over, Lex -- Lena Luthor (Katie McGrath) is here! The younger sister of Superman's nemesis will appear as a recurring character in "Supergirl" Season 2, and new photos from set show her interacting with Kara's adoptive sister Alex (Chyler Leigh).

Lena Luther (Katie McGrath) at #Supergirl in #Vancouver Tuesday https://t.co/rY1eEVPof6 Lady Morgana! Friend or foe? pic.twitter.com/B6y1Q5s3oP- YVRShoots.com (@yvrshoots) August 5, 2016

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According to the character's official description:

Beautiful, powerful, and enigmatic, Lena arrives in National City on the heels of brother Lex's incarceration hoping for a fresh start. Lena has taken over as LenaLuthorCEO of her family's billion-dollar-tech company, Luthor Corp, which has been tarnished by Lex's evil infamy. Her goal? To re-brand the empire as a force for good. Lena wants to be seen as her own person, separate from her brother. Kara is drawn into Lena's sphere and must determine if she is friend or foe.

McGrath joins newcomers Floriana Lima (Maggie Sawyer) and Ian Gomez (Snapper Carr). In addition to "Merlin," she has also appeared in "Jurassic World" and the "Slasher."

The second season of "Supergirl" is scheduled to premiere on Monday, October 10 at 8 pm EST on The CW, switching networks after a first season on CBS.