I wasn't sure he would be in the series, just because I didn't know how the series would unfold, but I had read the comics. So I was a fan of the Invincible comic book when it was coming out.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Amazon Prime Below are spoilers for Invincible Season 3. If you're not caught up, you ...

I've really enjoyed Rex in Invincible Season 3, and Jason Mantzoukas talked to CinemaBlend about how the character has changed.