User blog comment:UniverseAwesome777/DBX Template Guessing Game/@comment-37388005-20181214035856/@comment-37388005-20181215053750

How about:

Vincent VS Hellboy (Vampire VS Devil)

Tifa VS Garnet (Female Brawns)

Optimus Prime VS Android 17 (Robot Battle)

Lucina VS Ragna (Sword Users)