It was also a case where the comics shop world got in on the marketing very early — retailer catalogs were loaded with Batman gear, and there was a several week period where comics shops had a good lead on the mass-market stores for several kinds of merchandise (as discussed at…

You’re correct about a different ending to the apartment scene. The novelization, based on an earlier film draft, has Joker kidnapping Vicki, Wayne changing to Batman in his limo, and Batman pursuing Joker on horseback through the 200th Anniversary celebration.

A magazine article I read at the time said that they did…