Galactus (medium strength) and his Heralds vs SA Superman, Green Lantern (Hal Jordan), Flash, Iceman (Bobby), Cosmic Spiderman (well practiced in cosmic powers), Doom (OF), Superboy Prime, Xavier (not holding back), Rune King Thor, Odin, Wonder Woman and Phoenix Cyclops.
The heroes find out that Galactus and co are coming three days beforehand, they decide to intercept. The battle takes place on a neutral deserted planet. Morals off both teams bloodlusted who takes it?
EDIT: Heralds of Galactus: Silver Surfer, Firelord, The Fallen One, The Air-Walker, The Deestroyer, Terrax the Tamer, Nova, Morg, Red Shift, Invisible Boy, Stardust. (all full-powered)