Here's something that you don't get offered every day. The chance to visit the set, meet the cast, walk the red carpet and have a walk-on role in Spider-Man 4. The only catch... you need to win the eBay Auction.
This is a charity auction, and 100% of the money will go to StandUp2Cancer. Current bid price is $5,000... but I'm sure there's plenty of fans out there who would be prepared to dig deeper than that.