Usually, Hasbro provides some kind of narrative to explain pack-ins or gimmicks. Even the copy on Power-core combiners cast the partners as mini-cons and talked about the Power-core upgrade process. But it occurred to me that Hasbro's copywriters didn't compose any kind of backstory to the triple-changing Legends' micro-buddies. (Maybe I am missing something by not being up-to-date on the comics?) So what are we looking at? Tiny triple-changer Cybertronians? Mini-cons? Something else?