Superman/Batman Vol 1 #8

Post-crisis reintroduction of Kara Zor-El aka Supergirl!

Following the events of issue #6, Batman discovers a mysterious girl at the bottom of Gotham Bay, and the issue explores whether she will be a force for good or evil. 
Post-Cataclysmic Event: The issue picks up after the events of "Superman/Batman" #6, which featured a major cataclysm.
Batman's Discovery: Batman, while investigating the aftermath, finds something strange and mysterious at the bottom of Gotham Bay.
The Mysterious Girl: The "something" turns out to be a girl, and her nature and intentions are unclear.
Good vs. Evil: The issue focuses on whether this new character will align with the forces of good or evil, leaving the reader to wonder about her true intentions.