When a vicious armada of extraterrestrial extremists launches an all-out invasion of Planet Earth, only Superman can stand in the way of total annihilation. But there’s something different about this attack—it’s deadly from both without…and within?

Bear witness to the formation of a new kind of Justice League in a steam-powered adventure that will bring these once-familiar heroes from the open plains of the Midwest to the freezing Arctic as they unravel the mystery of alien artifacts from the Kryptonian Age!

The mysterious Omega Men have chased the Superman around the world, determined to plead their case: that only with his help and by unleashing the full scope of his terrifying power can they put an end to the Lazarus Corporation. And with anger burning in his heart, Kal is starting to listen…

After a disastrous debut in Metropolis, the Kents are worried that the world is not ready for their son and will do whatever it takes to protect him. Little do they know, they’re about to send him to one of the most terrifying places on the planet…Smallville High!

Kara and the daughter of Lex Luthor, Lena, have come together to battle a common enemy posing as Midvale’s very own Supergirl! Will Lena’s brains and Kara’s brawn be a match for the super-powered super-genius from Kandor? It’s Supergirl versus Supergirl in a fight for the ages!