at first i thought this was lame since their was no upgrades, but as i slowly found out that the hero could fly, ride dragons, become a super hero, and best of all, set on fire...this is slowly becoming my favorite runner game.
tip: when you use MJ, you stop time. you can still pick up stuff. if you use him right before you destroy a town, you can pick up lot of coins without it shuting down. i use this tactic, and i get at least five extra k.