lol

odin couldnt take on a celestial even with all of asgard and the destroyer on his side...

why he could suddenly do this is totally PIS

so is the whole Galactus and Zeus thing

Cosmic Hierarchy evident within the Marvel Universe indicates generally that

Cosmic entitiesSkyfathers

GalactusCelestials is evidenced within Earth X when Galactus easily destroyed 3 celestials and caused them to retreat

CelestialsCosmic Cubes is stated by kosmic, a sentient cosmic cube

Cosmic CubeElder GodsSkyfathers

Through the feats evident for these three categories

Excellent!