Nah Galactus beat Mephesto in his own realm he strated absorbing it even Agemmoto or whoever that guy is who helps Dr Strange but Spectre yeah Spectre practically ownes DC sept for the heavy hitters like Lucifer Morningstar and Micheal and Saint Of Sinners i think could take him also anti-monitor and maybe Gog, i mean Gog killed how many supermans?