If Pain didn't need to capture naruto...
If Pain didn't attack the village before their fight...
at valley of the end Naruto comes prepare with the frogs but no intel from katsuyu.
6 paths of pain and nagato at full health.
this is a rematch,a fight till one dies. with a fair condition!
Who do you think will WIN?
NOTE: This scenario happens BEFORE naruto learned to control kyubi