Godzilla (IDW) vs Halo Reach
Godzilla is IDW comics. Feats found here. https://comicvine.gamespot.com/forums/gen-discussion-1/godzilla-respect-thread-1875169/
Halo is Game and Comics. The whole Halo Reach army and Fleet in play.
No Godzilla god form as per Godzilla Goes To Hell ending.