Invincible season 1 features some incredible twists, the best being Mark's relationship to his dad Nolan Grayson AKA Omni-Man ...

In Invincible #55, Omni-Man reveals that full-blooded Viltrumites are a dying species, with less than fifty remaining, drastically changing their position of power to one of vulnerability.

Based on the comic book by Robert Kirkman, Cory Walker, and Ryan Ottley, Invincible tells the story of 17-year-old Mark Grayson, whose father, Omni-Man, was the most powerful superhero on the planet.