Hero vs Villian
Mario/Luigi/Peach/Dr Mario/Rosalina/Daisy/Yoshi vs Bowser/Koopalings (all each)/Wario/***King Boo
DK/Diddy/Dixie vs King K rool
Kirby/Bandana Dee vs Kind DDD/Metaknight
Fox/Falco vs Wolf
Samus/ZSS vs Ridley/Dark Samus
Simon/Richter vs ***Dracula/etc
Pit/Palutena vs Dark Pit/Medusa/***Hades
Sonic vs Shadow/***Dr Eggman
Pikachu/PM Trainer/Pichu/Lucario/Greninja/Jiggs vs Mewtwo/***Army of Pokemon (Rayquaza, Ditto, etc)
Ryu vs ***Akuma
Cloud/Geno vs ***Sephiroth
All Fire Emblem vs ???