Unlock the following characters by performing the corresponding tasks:
CHARACTER - HOW TO UNLOCK Black Cat - Beat Toyko level 1. Blade - Beat Transylvania level 2. Doc Ock - Defeat him in Tokyo level 2. Green goblin - Defeat him in Tokyo level 4. Iron Fist - Beat Tangaroa island Level 3. Lizard - Beat Cairo level 2. New Goblin - Beat the game. Rhino - Defeat him in Tangaroa Island level 4. Sandman - Defeat him in Cairo level 4. Scorpion - Defeat him in Tangaroa island level 2. Venom - Defeat him in Transylvania level 4.