The alternative, is, of course, that they are above Galactus and Thanos level. Because if we're having such a pissing match debate over whether Big G and Prune Chin are able to beat Odin, the fact that these space ants SOLD HIM OFF AT A SLAVE AUCTION, must mean that they are >>>> those guys.
Assuming it's not a low showing, that is, and space ants are just that bad-ass 👆