Seriously? Legendary Godzilla wins by a landslide. Ming literally can't even take her daughter twerking at her, has NO experience, literally throws a tantrum while Mei is (somewhat) able to keep her cool, and Ming's strategy is to just try to grab her opponents. Godzilla, however, has MILLIONS of years of battle experience, has multiple different creative strategies, can take F**KING MASS EXTINCTION EVENTS and thermonuclear bombs INCHES AWAY FROM HIS FACE, has a multitude of abilities, and he would barely even have to put any effort into just blasting Ming into just a gigantic bloody splat with organs spewed everywhere around the stadium. Godzilla obviously wins