Just when you thought Invincible had pulled out all the stops, the season 3 finale threw a massive curveball that could take Mark Grayson to a place no one expected. In fact, Mark might be headed on a journey past what even the comic books have to offer.

Robert Kirkman says that the character seen in Invincible Season 3's end credits scene is from a scrapped storyline from the comics.

Invincible season 3, episode 8 gives Atom Eve some new powers, but Mark's Invincible suit proves that they have some unintended side effects.