Galactus Earth. Formerly a mortal man, Galactus is a cosmic entity who originally consumed planets to sustain his life force, and serves a functional role in the upkeep of the primary Marvel continuity. Galactus (/ ɡ ə ˈ l æ k t ə s /) is a fictional character appearing in American comic books published by Marvel Comics.
Galactus is the sole survivor of the sixth incarnation of the Multiverse. One of Marvel's most powerful villains, Galactus, has fallen - for the second time in recent weeks. He is considered to be one of the greatest.
Finally we hear something about him in at least one Marvel movie but his appearance is unknown.
White Crown can defeat Galactus when it comes to sheer power.
Galactus' Heralds are beings of cosmic energy, created by Galactus. Galactus is the Devourer of Worlds and is a cosmic entity like no other in the Marvel Universe. Upon re-forming, Galactus realized what had happened and turned the Ultimate Nullifier against Korvac, who feigned death to escape.