Batman.
Batman, Batman Returns, Batman Forever, Batman Begins, Batman Mask of the Phantasm...all theatrical releases that can be considered decent to great.
Spider-Man only has 2 films so far that can be considered good, and not to mention there's the fact that spider-man's a fad, which can cloud peoples judgement, not to mention a bias and overgeneralization of the batfilms by many comic fans...but, when you look at it, batman has been the biggest franchise legacy so far. The first three movies were the biggest movies of their respective years. The hype for these movies were something thats never been seen before and has barely been seen again, and in B89's case, has never been seen again.