Oh please, the Harry potter franchise has been on a downward trend admission wise since the first film. DH2 only hit 1.3b because of expanding markets and 3D. The avengers won't be forgotten just like Spider-man. TA is the first of its kind and your wrong, it will sell more tickets than TDK, that's practically locked. The Harry potter box office success is undeserved, it's just riding of the success of the books and Baumer is right, millions think it. With the amount of books potter has sold you'd expect the films to have higher grosses, but obviously there are a lot of people out there that also think the films suck compared to the books. Yes Harry potter is the most successful film franchise, but that's simply because the story doesn't fucking end, it takes 8 films to kill voldemort which lets face it, after such a build up, his death was underwhelming. In terms of popularity, LOTR, pirates and soon to be The Avengers and avatar series are more popular. Just wait till Decemeber and witness a LOTR spinoff slaughter the great Harry Potter finale.