Now, this wouldn't, strictly speaking, be Madara Uchiha. But, it would be someone created using his body. Similar to how Jiraiya had a clone created of him in the form of Kashin Koji, Madara could ...

Madara Uchiha was destined to become a legend right ... In the Fourth Great Ninja War, he even achieved perfect Ten Tails Jinchuriki form by taking in every beast, unlike Obito.