In Invincible, the main protagonist, Mark Grayson, otherwise known as Invincible, has become Earth's most valued superhero, with his father, Omni-Man, betraying the planet, his family, and his comrades. With Invincible's notoriety growing on Earth and among intergalactic species, the superhero has become a target for many, with season 2 showcasing the variety of villains keen on Invincible.