'Supergirl' Season 5 Episode 7 hints at Kara learning the truth about Lena Luthor's intentions to 'fix' humanity

With each episode shedding more light on her dark path,'Tremors' may finally reveal what Lena's plans are to the Girl of Steel

With Lena Luthor (Katie McGrath) going down the dark path, trusting her is a hard thing to do. Trust issues have also been a part of Kara's  (Melissa Benoist) storyline and in episode seven titled 'Termors', it finally appears that the Girl of Steel has found out about her best friend's plans. 

The CW released the official synopsis that reads:  "SOMETIMES THE PERSON YOU WOULD TAKE A BULLET FOR IS STANDING BEHIND THE TRIGGER – Supergirl (Melissa Benoist) finally learns the truth about Lena (Katie McGrath) while tangling with Leviathan."

"J’onn J’onnz (David Harewood) makes a discovery about his brother’s whereabouts. Andi Armaganian directed the episode written by J. Holtham & Katie Rose Rogers," the synopsis adds.

The episode airs on November 17 and, according to comicbook, the date is of paramount importance in Superman mythology.  The date was the accepted release date for Superman #75 in 1992, the issue in which Superman died at the hands of Doomsday.

The five episodes aired so far have explained a little more about the mysterious Leviathan each day and episode five ended with Andrea Rojas (Julie Gonzalo) being approached by one of the members of Leviathan. 

The season has also seen Lena take extreme measures in her bid to "fix" humanity. It was a rough ride for Lena Luthor (Katie McGrath) in season four. Her world turned upside down when her evil brother, Lex Luthor (Jon Cryer) revealed that Kara (Melissa Benoist) was hiding her superhero identity.

The season ended with Lena feeling bitter about the betrayal. The new footage shows her making plans to hurt Kara. "I'm not a villain," Lena says in voiceover narration.

"I don't want to kill Supergirl. I just want her to experience the same hurt she inflicted on me. Soon enough, she will." Benoist had earlier teased a dark turn for Lena during the San Diego Comic-Con.

"This season's going to be a fight for Lena's soul,” Benoist said. 'Supergirl' airs on Sundays at 9 pm on The CW.

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