Supergirl #14 Cover D Chrissie Zullo Uminga Card Stock Variant (The Reign Of The Superboys)

THE SEARCH FOR SUPERGIRL! Nothing can stop Black Flame as she continues to amass power in Kandor. Meanwhile, Lena Luthor searches for Supergirl before it's too late for the bottled city. Will Lena's new invention be the key to turning the tide of the battle? Can Kara learn the secrets of the S-Matrix before they're all found by Black Flame?!