Invincible season 3 post-credits scene is a tease for a hellish comic storyline adaptation that Robert Kirkman "never got around to doing"

Invincible creator Robert Kirkman has teased more of what to expect after season 3's hellbound post-credits scene – and it's bringing in material that was ultimately left out of the comics.In the Invincible season 3 ending, the Hellboy parody Damien Darkblood (Clancy Brown) is plotting away in Hell.Last we saw him – way back in the first season – he was banished by Cecil (Walton Goggins) after cracking the Guardians of the Globe mystery. Now, he has summoned a demonic lord (pla