While Miyamoto’s appearance on The Tonight Show earlier this week largely revolved around Super Mario Run, it looks like he may have been teasing something else. Eagle-eyed viewers may have noticed Miyamoto’s Samurai Mario shirt. While many probably wrote this off as a simple mashup, it was Bill Trinen’s tweet yesterday that really sparked fan speculation. According to Bill, the shirt is something that needs to be “figured out”, the Nintendo rep even teasing that he knows “what’s up”. Could this be a hint towards the next Mario game? Tell us below?