What happens when Riku's already dead when Xemnas says, "Can you spare a heart?" Then he grasps Sora forcing you to play as Riku.
Are the Keyblades like, a lot bigger in Roxas's hands?
Do you think Jack will really be able to have the keyblade? If he's really going to get a blood thirsty crew to kill him, I wouldn't go there in KH3.