IESB.net talked to Spider-Man and Spider-Man 2 composer Danny Elfman who says he won’t be back for the third installment:
So what is next for Danny Elfman? To our surprise he stated that he will not be doing the soundtrack for Spiderman 3 and that instead he will be working on the other spider film, Charlotte’s Web.
Hit the link above to watch the video interview with Elfman.
Source: IESB.net