well its just a theory
was looking at the secret ending from bbs and i really have a strong feeling kingdom hearts 3d is going to have to do with this "hidden research data" ansem put in sora while he was sleeping. and i found something important in here of what he said after "that boy(sora), whose heart was connected to someone who could do it....that door would open(riku since he opened the door in kh1) then maybe those crippled beings could be saved(nobodies which would probably show why sora is fighting that nobody in the screenshot.
and before he said "i made clothes for the beings of nothings(i don't know what this means but i think he's saying in a way he created the nobodies or something but i'm not sure)