User blog comment:Dorkpool/Batman Vs Superman: Overstuffed Justice League Foreshadowing/@comment-24381191-20141010205636/@comment-25024572-20141010210205

It depends on the circumstances of the battle. If Batman had time to plan, and they fought in Gotham, Batman would win. If they fought in New York and Batman had no time to plan, Spider-Man would win. This is assuming they just met, of course.