In my opinion it would be cool if that happened. It would basically be like the Wind Waker HD bundle, but look a little bit different. If you get the Wind Waker HD bundle which includes the game itself and the wii U you will get the hyrule historia. Now if a kh version of this version exists for kingdom hearts 3 it would be if you get kh3 bundle, which includes kh3 and the ps4 you might be something else for free, but what could it be if that happened?