Way for Iko Uwais to make his films to become world box office phenommenon:

First, he must announce that Pencak Silat is most powerful martial art of the world

Then, he order all of most reputed masters from other martial arts (Karatedo, Tae Kwon Do, Muay Thai, Shaolin, Kung Fu, Capoereira....) to fight with him. Iko must easily defeat all of them. His reputation will raise like a rocket. People will come to theaters too watch his next films