there is 1 in work if you want the link its being made or MOW and MOW AS you can play the MOW i you want they are also developing what you said but in battle zones zombies vs humans in multilayer here the link to download it
http://www.moddb.com/mods/men-of-war-zombie-mod
and fixes and the new page is this
http://www.moddb.com/mods/men-of-war-zombie-mod