Dancing is Forbidden!
I personally think they should just let you toggle on "SMB2 Mario mode" or something and give you 2-4 hearts, then you die, so you can play the whole level as SMB2 Mario without having to place power ups everywhere. (And yes, he will become SMB2 little Mario on his last heart). Also applies to Link of course.Another thing I realized; SMB2 little Mario is omitted. IT would have been cool to include that, as in the original game, because it would allow you to be hit twice before falling back into SMB1 mode.