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

The discovery, aided by the spectacular nickname 'immortal jellyfish', captured the world's attention. T. dohrnii may bend the rules to rejuvenate itself, but it can't always cheat death. For example, ...

In "The Silmarillion," Tolkien explained, "Immortal were the Elves, and their wisdom waxed from age to age, and no sickness ...

Thor’s death is coming and while Thanos won’t be the one who does it, he could be the last thing that Thor sees. Immortal Thor #21 is on sale no where ever comics are sold.