Unlockables:

Arachnoman Costume:
     Complete  90  City  Events,  collect  90  Tokens, and complete 48
combat tours. gups.

Black Costume:
     Complete  100  City  Events, collect all 100 Tokens, and complete
all combat tours.

Parker Hoodie Costume:
     Complete  75  City  Events,  collect  75  Tokens, and complete 32
combat tours.

Peter Parker Costume:
     Complete  50  City  Events, collect 50 Tokens, and win the fourth
race against Johnny Storm.

Spidey Wrestling Costume:
     Complete 30 City Events and collect 30 Tokens.

Venom Races:
     Complete all story mode missions.

Switch Hero Option:
     Complete  all  story  mode  missions  to unlock the "Switch Hero"
option on the pause menu.

Medium City Event Difficulty:
     Complete 10 city events and "Inexpugnable" (Chapter 6).

Hard City Event Difficulty:
     Complete 20 city events and "Class Trip" (Chapter 8).

Medium Combat Tour Difficulty:
     Complete 8 easy combat tours after "Hell of a Mess" (Chapter 4).

Hard Combat Tour Difficulty:
     Complete 12 medium difficulty combat tours.

Insane Combat Tour Difficulty:
     Complete all hard difficulty combat tours.