User blog comment:GOJI-ATOMICO/ Who win in a battle Hyper Mecha King Ghidorah vs Keizer Ghidorah/@comment-1060835-20160116062630

Let's compare:

Keizer Ghidorah failed against Godzilla.

HMKG took on Godzilla, Junior, Gorosaurus, Baragon, Rodan, Mothra Leo, Jet Jaguar, M.O.G.U.E.R.A., King Caesar, and Anguirus.