Kyuubi will rape any summon. Simple.
As for the Kakashi gaiden, they have to show it. I dnt mind if they make it into a movie. As long as they show the badassness of Yondaime i dnt care.
Anyone who requested to join is now a member. Welcome and go pick urself a banner from the first post.
How strong would have Yondaime been 10 years after his death?
Would he have been much stronger? a new more powerful version of rasengan would have been made?