"The Unity Saga: The House of El, Part 6"
*The House of El is united in this SUPERMAN/SUPERGIRL crossover! It's the House of El against everyone as Superman, Jor-El, Supergirl and Superboy face intergalactic attacks from Rogol Zaar, General Zod and an armada of alien warriors and assassins. With the truth behind Krypton's destruction set to be revealed, a galactic conspiracy threatens to silence Supergirl and Jor-El if Superman can't live up to his name. *Source: dccomics.com