In order to become the best Spider-Man there is, players of Marvel's Spider-Man 2 will need to make sure their gear and skills are upgraded as much as possible. To keep Peter and Miles in tip-top shape (and unlock new suits), players will need four different types of currencies. These are unlocked through various methods; some are more common than others. The four types of items are: Tech Parts, Rare Tech Parts, City Tokens, and Hero Tokens. Here's how to get them all in Spider-Man 2.