I've always thought "Ares" feels a bit of a softie name for a god of war. It's the sort of name you could give to washing powder. "Ares - fights for the whites." But the free-to-play SMITE, from Hi-Rez, assures that he's a melee magical tank.
In closed beta since May, this is from they who brought us Tribes: Ascend and Global Agenda. Another free-to-play, this time in the mould of DOTA. You play as ancient gods, battling it out in multiplayer arenas, all in the Unreal 3 engine. It looks very pretty, and it has the most comprehensively clear trailers you'll ever have seen. The latest introduces Ares, and looks like this:
There's also Thor:
And it seems only proper that I share with you the phenomenal cheese-fest that is the MANOWAR soundtrack:
You can register for the beta right here (on what is one of the most useless sites I've ever seen for a game - not a scrap of information anywhere, beyond an uninformative embedded video).