I always wanted to see Luigi swapped with Link. Just to see Luigi attempting to save Zelda especially since he's such a coward would be a great laugh. Plus Link and Luigi wear green and their names start with L.
Here you go : ) http://brawlinthefamily.keenspot.com/2012/12/21/457-luigis-holiday-vacation/
But shouldn't he be hitting Volvagia with the proper implement? I mean it is a hammer after all.