Неее, не будет. И если будет, то в пределах одной карты. Вот сообщение Ubi-nox "MMH7 Modding is “map-based” meaning that if you create a map using a specific package or modifying specific files, those modifications will be directly available in the map itself so people won’t have to download additional elements".
http://heroescommunity.com/viewthrea...agenumber=1008