Viltrumite warrior Nolan Grayson, better known as the superhero Omni-Man, long fought to protect his adopted home as one of Earth’s most powerful champions. He even raised his son, the hero known as Invincible, to follow in his footsteps and carry on his legacy. But Omni-Man’s true mission was never benevolence— it was conquest. And the Viltrum Empire, hungry for expansion, has no intention of stopping at Earthrealm.