Hm... Wonder Woman is really good in hand to hand. Like, Batman good. On the flip side, Herc's a skilled fighter as well, and no flight or weapons play to his strength. Of course, Wonder Woman still has a clear speed edge even without flight and such. So, Wonder Woman wins.
DC Hercules has had multiple power interpretations, from "simply a powerful man" to demi-god to full on god, and in all his incarnations Diana has been able to defeat him; classically, he has only been able to defeat her when helped by others. That puts that ruling pretty much in sync with the most powerful interpretation of Marvel's Hercules, so I'll go with Diana in this one, due to speed and better finesse. 8/10 (With flight and weapons, it's not even a contest...)
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DC Hercules doesnt pack what Marvel Hercules does (Marvel Herc is basically a physical match with Thor). That being said, in a match such as this, Ill give the win to WW say 5.5 / 10 times, due to greater speed and generally a smarter combatant.
Diana has endurance of an extreme amount due to her connect to Gaia (even a healing factor). Strengthwise I think they're fairly equal. Skill's been gone over.
Deception won't help much (she can sense deceit to an extent with the eyes of Pallas), and there's no way seduction is happening. She's not exactly fond of people named Hercules.
Strength between the two of them are comparable enough for where it's not going to be a massive advantage in either direction. Same goes for endurance and durabilty. Speed and reflexes is where she's going to shine though, and she hands down is his better in this aspect. In a brawl such as this, I'm inclined to believe that speed and the ability to hit often and not be hit as often is more of an advantage than slightly higher strength, durability, and endurance. Diana takes this more often than not (if I had to break it down I'd say 6-7/10) but she is going to have to work for it for sure.
Diana's durability against impacts is great, she can take full-strength Superman hits, it's only against blades that it's less-so. Plus she has huge stamina and a healing factor. If there's a difference there, it's slight.