The cause of his death has not yet been revealed ... In 2011, his debut mixtape, “Marty McFly,” was released. Following that, his 2014 hit single, “U Guessed It,” became extremely popular.

The left shoe, made for Fox in his role as Marty McFly, is part of the film's self-lacing Nike Air Mags A disintegrating Nike trainer worn by Michael J Fox in the Back to the Future sequel has ...