Currently, the damned thing couldn't wipe ME out of existance! I'd probably need a couple of paracetamols to recover.
Pre-Crisis, they'd have a good chance of doing so to all of those in the list, maybe with Bat-Mite and a full-powered, competent Anti-Monitor as the exceptions.
__________________ "Oh, listen to Mary Poppins. He's got his crust all stiff and upper with that nancy-boy accent. You Englishmen are always so... Bloody hell! Sodding, blimey, shagging, knickers, bollocks... Oh God! I'm English!"
Unless there's evidence of King Thor being a universal scale reality-warper, or an essential aspect of the universe, of which I'm 99.9999%+ sure there isn't.
__________________ "Oh, listen to Mary Poppins. He's got his crust all stiff and upper with that nancy-boy accent. You Englishmen are always so... Bloody hell! Sodding, blimey, shagging, knickers, bollocks... Oh God! I'm English!"
If by god hercules you mean "super god" hercules, then PC Darkseid isn't killing him with the Omega Beam. but if you mean classic god hercules, then yeah, it kills him.
Shazam isn't getting touched regardless of the DS I'd back him in most fights as his power at his peak is more than enough to spank all the Dr. Fates put together IMO from any point in their careers for the most part.