After a confrontation between the Justice League and the Legion of Doom, the villains actions unknowingly breaks the boundaries of reality, a dimensional rift opens between universes to an alternate Earth, the MonsterVerse. From it, Godzilla, Kong, and other Titans and creatures begun to cross over into the DC Universe, as devastating attacks from monsters begin spreading across the globe.
The epic crossover begins with Superman, who has delt with Titano and is about to go on his first vacation ever, whilst his cousin Kara, aka Supergirl temporarily joins the Justice League to fill in his duties. One day Clark enjoys a very important planned dinner date with his girlfriend Lois Lane, the moment was suddenly interrupted when the entire city of Metropolis shudders under the immense weight and presence of Godzilla, arising from the bay. Superman then flights out to combat the King of the Monsters himself.
