The new Supergirl appears, claiming to be the real Supergirl, and fights Kara. Real Supergirl says that maybe Kara got split off from her in one of many various ways, but Kara is a blight, and not at all what a real Supergirl would be like. She asks that Kara step aside, so Real Supergirl can make things right. Kara agrees, and is absorbed by Real Supergirl. But then Real Supergirl shatters, revealing Kara underneath. She realizes that she has had mind games played on her, and confronts the shatters of Real Supergirl, who is revealed to be Dark Angel, who has been testing her. They fight, but Dark Angel is stopped by a Monitor. He reassigns Dark Angel, and tells Kara the stuff she was seeing on Earth was part of a test of individuals who were supposed to have died in the crisis, but lived. These anomalies were tested in order to ensure their veracity in this world. But he also tells her the memories of her journey to Earth is fact. He then leaves her to "go live."
This cover is a Homage to Supergirl vol. 5