Invincible star J.K. Simmons made it clear who he thinks would win in a final smackdown between Omni-Man, Superman, and ...

Powerplex joins Invincible Season 3 as a tragic villain with a personal vendetta against Mark Grayson, showcasing the dark costs of heroism.

Superman has killed in the comics, showing that even heroes can fall when faced with tough decisions. Various DC characters have met their end at Superman's hands, including Doctor Light and Darkseid.