Action Comics (1938) #1080

BRAWL OF THE SUPER-MEN! 

As the Phantom Zone prisoners rain down upon our heroes, only the House of El stands in their way...and Superman will not go down without a fight! It's the brawl to end all super-brawls in this penultimate chapter of the Action Comics weekly! 

Plus, Supergirl makes a final appeal with hopes of saving the universe.