Which battles can we expect?
I think the next battles have a good chance:
Naruto, Gaara, Sasuke and the tailed beasts vs Madara.
Kakashi and Minato vs BlackZetsuObito.
EdoHashi with black rods vs EdoHiruzen, EdoTobirama, Onoki, Mei, Ay and Tsunade.
Yes, no?
Edit:
Added Sasuke.