Galactus tries to eat DC’s earth can literally anyone stop him?

Galactus is among the most powerful gods in Marvel. There is no way in hell he is bellow multiversal. And can make some of the most powerful beings in Marvel sweat at the concept of him paying the planet a visit. Who in gods name in DC’s earth can stop him? Assume this is the New 52 version of earth. If they can’t what version can?

Round 1: One days prep

Round 2: One weeks prep