there's probably a thread like this already, but if not, here is what i think should be in KH3
Graphics. they need to take advantage of next-gen console technology and get better graphics. all the disney stuff wouldn't look good with FFXIII, but they could at least upgrade to ratchet & clank type graphics
a multiplayer mode. i'd love to play some sort of multiplayer with all of you guys
a boss replay/challenge mode. i can't tell you how many times i wanted to defeat xaldin and sephiroth again after i already beat them
more worlds, instead of just visiting each world twice
there's probably a thread like this already, but if not, here is what i think should be in KH3
so what would you want?