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,

Invincible has blown the plot wide open by introducing a show only plotline as a major cliffhanger in it's Season 3 finale.

Big things are happening in the world of ‘Invincible.’ Season 3 just wrapped up with a wild finale, and now creator Robert Kirkman is dropping some exciting hints about what’s next. We’re talking about Mark Grayson,