Just when you thought Dwayne Johnson couldn't possibly squeeze another movie into his already packed schedule, he's muscled space and time apart and is making room for sonething, albeit one that'll be in the works for a while. Johnson is on board to star in King for director Robert Zemeckis . Based on a spec script written by Braveheart 's Randall Wallace after a request by the star, King will see Johnson playing Hawaiian ruler Kamehameha. In case you're thinking Kame-who-a?, he's the legendary king who was the first to unite the warring Hawaiian Islands, which fulfilled the prophecy that surrounded his fabled life since birth. He took control of Hawaii’s destiny, and gave the islanders leverage in advancing the culture in trading with the foreign ships from Europe that began showing up on the shores of islands that must have seemed like paradise, albeit a sometimes dangerous one as explorers like Simon Metcalfe and Captain James Cook discovered before Kam