one is the actual madara's which is given to Nagato and then to Tobi. the other one is the edo madara's. but all of them come from madara.
Like Itachi that his real eyes are with sasuke and his edo's had seperate eyes.
Here we wanna solve the puzzle......
1- he want to HIDE his face, WHY?
2- he has a uchiha body that works with sharingans properly.
3- he live so many years and has a lot of information that even kages didn't know. HOW?
4- when he was hit by the forth rasengan, his flesh came out of his sleeve...
At first when killer b took Samehada I thought it will be very critical in battle field ( Kisame almost killed B with it, he got most of his chakra and didnt let him transfer to its biju mode).
But Kishi almost for got about it (samehada is with B in manga 571 on last page!!). He could destroy...