Chilbuli Pandey

Ranbir Kapoor has begun work on his buddy and filmmaker Ayan Mukerji's next project, Dragon.

Ranbir Kapoor and Ayan Mukerji

The makers of a superhero flick have already pencilled in a mixed martial arts trainer for RK for the extensive action in the flick.

Ranbir-Ayan have earlier worked together in Wake Up Sid (2009) and Yeh Jawani Hai Deewani (2013).