Will there be a fourth Kingdom Hearts

There is already multiple Kingdom Hearts games.
-Kingdom Hearts I (Also Final Mix)(PS2)
-Kingdom Hearts II (Also Final Mix)(PS2)
-Kingdom Hearts Chain Of Memories (GBA)
-Kingdom Hearts RE:Chain Of Memories (PS2)

Still to come:
-Kingdom Hearts Birth by Sleep (Set 10 years before KHI (PSP or PS3(not sure)))
-Kingdom Hearts 358/2 (You play as Roxas with the Organization (Nintendo DS))