In the trailer there was a man having a black coat like he was one of the organization or something does anyone know who is he or something I just want to discuss about it

and something else his way when he hold his laser weapon remind me of Gabranth dont u think ?

um the laser weapon is the etheral blade of Xemnas u can use that very blade in days so even though i haven't played bbs ever im guessing its Xemnas

Already a thread discussing about this: http://kh13.com/mybb/showthread.php?tid=6942