Madara has and always will shit on NarutoOr while naruto and co are battling tobi naruto could send a clone to the kage vs madara battlefield and show madara uchiha true power bijuu mode style.
Tsunade.... Oro might a return, Tobi probably does as well.I don't see Madara dying right now, he's the one that's going to give us the flashback of their fight between Hashirama and himself perhaps. Unless Kishi doesn't want to give it to us and let the battle forever be a "?" and Senju clan just a mysterious clan and no one knows their true abilities.
Who else that is alive knows alot about Hashirama?
His clones are stronger than ever, but i think that only the original can use Bijuu mode.Or while naruto and co are battling tobi naruto could send a clone to the kage vs madara battlefield and show madara uchiha true power bijuu mode style.
I don´t really see the kages winning this one, my only theory would be that Itachi and Sasuke are going to stop the Edo tensei right before Madara kills the Kages. What do you think?