User blog comment:Collaterale1/LEAK IS REAL!!!/@comment-25345206-20140829120351/@comment-3987503-20140829121850

Were you around during the pre Brawl days? back then, the idea of cutting Mewtwo and adding R.O.B. seemed unthinkable at the time, and look how it makes sense in hindsight. Sakurai works in very mysterious ways.

Besides, it was obviously not the full roster, All Star mode was locked.