The Immortal might be the strongest non Viltrumite character that Earth has, but fans think otherwise for one reason.

Invincible's time in his blue suit saw a more violent turn for Mark Grayson, but there were plenty of villains ready to meet ...

Upon being sent to Hell, he collaborates with Malebolgia, becomes ... is an immortal character who can’t be brought to his knees without heavenly or magical abilities. Given that Invincible ...