There is also a Helm of Hades which grants the user invisibility.
If it's regular Thor and Hercules (with Mace) vs. Wonder Woman and Orion, I favor Wonder Woman and Orion.
I see Thor as slightly greater than Wonder Woman and Orion with Mjolnir and his vast powers. But I see Hercules as slightly less than Wonder Woman and Orion, with their speed and energy powers. I think eventually, after a very long, bloody battle, it would be Thor vs. Wonder Woman and Orion, and team DC would take it.
If Thor has the belt of strength, like you stipulate in a previous post, I give it to Thor and Hercules. Even without the belt of strength, if Thor were to use his godblast and connect, then his team would win.
Even without Thor's belt of strength, if Hercules had more toys, like the Helm of Hades, his bow and arrows, or the fur of the Nemean Lion, than I might give it to Team Marvel. Depending on exactly what Herc had.
Also depends if Diana still has godwave available, or else if removing her bracelets makes her full blown goddess still!