It would make sence if the jinchurikis played a big part since madara doesn't have the best history with tailed beasts, plus then kurama can get his revenge... further more naruto is bound to surpass all previous ninjas at some point, and since madara is currently the boss he will need to have something to do with his defeat...
but i think there will be a few more involved
EDIT naruto has already uses a sealing on kurama who compared it to so6p's, so maybe kurama and naruto can work together to seal him
in some way