Worlds' Finest. Volume 4. First Contact

"Power Girl and Huntress come face to face with Superman and Batman for the first time! In this BATMAN/SUPERMAN crossover, desperate times call for desperate measure as the Worlds' Finest reveal their origin to the fellow team. The two teams must work together to stop Kaizan Gamorra's plot to depower Power Girl and unlock the secrets of Superman of Earth 2! But following such a team up, what world will Power Girl and Huntress choose? Collects WORLDS' FINEST #18-21, WORLD'S FINEST ANNUAL #1 and BATMAN/SUPERMAN #8-9"--