Ame-Comi V: Supergirl (2012-) #2 (NOOK Comic with Zoom View)

Power Girl and Supergirl fight valiantly against the invasion of Brainiac's android army, but even their mighty powers cannot defeat the 'bots. When help arrives in the form of their super heroine friends, will it be enough? Or will one of them be forced to make the ultimate sacrifice?