Spider-Man 3 Hints for Wii
If you want to the extras listen for a bib in sown
When you're swingin' around the city, time your swing so you throw your web out at a point at the SAME LEVEL as you, so you swing the farthest, and closest to the ground as possible. If you do this correctly, you'll gain a fifth of a bar of adrenalin.
If you get a gang's percent down to zero then they wont appear on the map any more. You will also gain experience