Supergirl Vol. 4: Out of the Past (The New 52)

In The Aftermath Of H'el On Earth, Supergirl's World Has Been Shattered In Every Way Possible. Kara Zor-el Searches The Stars For A New Home, But In Doing So, Encounters One Of Superman's Deadliest Enemies In His New 52 Debut: Cyborg Superman! New Writer Michael Alan Nelson Takes Over The Girl Of Steel In Supergirl Vol. 4, Collecting Issues #21-26.

Publisher: DC Comics