Submarines wont be added into the game because they will add nothing good to it.
Atm these are the counters in WoWS:
Cruisers at range>Destroyers and aircraft
BB>Cruiser
Carrier>BB
Destroyer>Everything except for cruisers at range.
Atm these are the counters in WoWS:
Cruisers at range>Destroyers and aircraft
BB>Cruiser
Carrier>BB
Destroyer>Everything except for cruisers at range.