Supergirl Volume 3. Sanctuary (The New 52)

When a mysterious Kryptonian arrives on Earth, he convinces Kara that he intends on returning them to Krypton, prior to its destruction, in an effort to save the planet. When presented with the opportunity to return home, the young and sometimes foolish Kara fails to see H`el`s whole plan - a plan that will leave the Earth in ruins.