Issue 400
        
        
            Action Comics (1938-) #846
        
                
General Zod, Ursa, and Non attack Superman in Metropolis as the history of the Phantom Zone is revealed and the identities of the super-boy's parents are uncovered! And if you thought 3 Kryptonian villains were tough, wait 'til you see what damage an army of them can do!
        
                
     
                
