Invincible's upcoming battle with the devil is something that actually never happened in the comics, but was a story that "Invincible" creator Robert Kirkman wanted to tell. Racioppa talked about how ...

He also responded to the rumor that Bruce Campbell's mystery character is, in fact, Satan: "I think you'll have to wait and see! Bruce is incredible, though. He's great. You're going to love it.

EXCLUSIVE: Invincible co-showrunner Simon Racioppa addresses the upcoming Hell storyline, and if Bruce Campbell voiced Satan in the season 3 finale.