Dwayne Johnson & Kevin Hart Get to Work Filming 'Jumanji'
The 44-year-old actor showed off his massive biceps as he got into costume for the day.
The upcoming Jumanji is a continuation of the 1995 original of the same name that starred the late Robin Williams.
Jumanji is set to hit theaters in December 2017.
15+ pictures inside of the stars on set of Jumanji…