Board Thread:Metal Gear Solid V/@comment-188.245.153.38-20151218192212/@comment-25090680-20151219041240

I don't think so, Kojima was talking about using an already existing engine (Unreal Engine 4) or building a new one, he wouldn't need to do this if he owned Fox (as it was already a good engine). Konami probably funded the engine so I'd guess they own it.