FAQ for
Spider-Man 3 (2007)

No, it is just someone who looks like him.

"People Get Up and Drive Your Funky Soul" by James Brown. It is a remixed version, though; the original was 9 minutes, and featured in James Brown's album Motherlode in 1988. The recut version is 2 minutes and 24 seconds.

Here: http://boards.sonypictures.com/spiderman/showthread.php?t=15429

Yes, he's seen in the background at Harry Osbourne's funeral.

It is unknown at this time when or if it will be released. It is also unknown how long it will be.

Sam Raimi has not made any statements about a Director's Cut although Columbia have been known to release extended director's cuts on DVD for other titles in the past including Spider-Man 2.1. If a Director's Cut DVD is ever made of this film it is likely to be called Spider-Man 3.1 and be released to coincide with the threatrical release of Spider-Man 4.

It is a plot hole. It is further explained in a scene that was deleted from the film, though. In the original scene, Eddie is watching as Marko turns into a sand castle, which his daughter plays with. Once his daughter leaves, Brock approaches Marko about killing Spider-Man.

When the film was completed the running time was set at 156 minutes on the IMDB page, then later reduced to 139 minutes. Therefore, about 17 minutes was cut from the final film. Note: Roeper and Lemire's review of the film presented the 156 minute (2hrs 36min) running time on screen, you can watch it at http://www.youtube.com/watch?v=TiKsz3Zg6AY