When Naruto in episode 62 molding red chakra kyubi, why not make kagebushin no-jutsu then. It would have looked nice if it was 10 kyubi naruto instead of 1, when he have control over the red chakra then make kagebushin no-jutsu not when he got blue chakra (regular) what do you think. Then Defeat the opponents with 10 or 15 kyubi chakra naruto, that must surpass the hokage capabilities.