Coming Attractions has pics of Tobey Maguire in his Spiderman costume.

Filming began on the fight scene between Spidey and "Bone Saw" McGraw. Extras in the scene have provided Coming Attractions with a great deal of info about the experience. See the January 16th and 18th entries:

Tomorrow is the day that filming begins on the wrestling scene between Spider-Man and "Bone Saw" McGraw. Sony's sent out an email to the extras, giving them permission to make cardboard signs that the wrestling spectators can hold up and show on camera. However, Sony advised any would-be signmakers that they could only pick from a list of acceptable catch phrases (which they furnished in the email)...and that we list below. Some of them are pretty amusing...