Galactus Vs. The Metal Men

This may seem like a lopsided battle, but I think The metal Men might still have a chance.  The definitely have a history battling alien intrudes as well as giant-sized menaces.  Plus, not being human, they may be able to get in close  while not being detected by Galactus.  Whatever their chance at success, it would be a tough battle, and fun to read about.