Elektra vs. Blade vs. Snake Eyes vs. Batman
Go to it Grasshopper.
Four contenders who know a thing or two about martial arts, all with other varying skills, intelligence and so forth... so the question is, who would triumph in an all out duel of martial prowess once they step into the ring? (The ring in this case is not actually a ring which would be a bit small, something more like a small, deserted village would be accurate)