Tobey Maguire Upbeat About Spider-Man 4 Tobey Maguire doesn't think "Spider-Man 4" has become a tangled mess. The 34-year-old star of the web-slinging superhero franchise said preproduction snags aren't dampening his mood about the fourth installment. The next "Spider-Man" film had been scheduled to swing into theaters May 6, 2011, but that seems unlikely now that "Thor," another big-screen Marvel superhero adaptation, has hammered out the same release date. "Like anything, it's a process," Maguire said Thursday. "We're just in the midst of the process. We have a lot of great stuff in terms of story and script. We're just trying to dial it in and get it ready as quickly as possible. Of course, these movies are a very big undertaking and take a lot more time than a drama or something more straightforward." Marvel Studios spokesman Paul Pflug declined comment on reports that production had stalled amid script revisions...