The CW has released the Supergirl episode 4.07 promo, where our hero ends up captured by the evil Agent Liberty, who imprisons her in what looks like a pretty formidable structure, declaring that it’s “for the good of humanity.” You can check out the trailer in the post below!
Supergirl stars Melissa Benoist as Kara Danvers/Supergirl, Mehcad Brooks as James Olsen, Chyler Leigh as…
