Comic Book list:
There are Comic Books hidden all over Manhattan, available for a read:
Comic book: Pages:
1st Black Cat - 125 Pages
1st Gwen Stacy - 350 Pages
1st Iguana - 250 Pages
1st Lizard - 15 Pages
1st Rhino - 50 Pages
1st Scorpion - 80 Pages
1st Smythe - 500 Pages
1st Spider-Man - 5 Pages
Modern Lizard - 30 Pages
Vs. Vermin - 175 Pages
Big Time Suit - On the glass behind the red bleachers on Times Square.
Classic Black Suit - In the narrow park to the left of the main OsCorp building downtown, under the gazebo.
Classic Spider-man Costume - Unlocked upon Rhino Challenge DLC purchase.
Future Foundation Suit - Go one block right of the northern bridge, and you'll find it in a small alley behind the gas stations store.
Negative Zone Suit - Go towards the city from the brooklyn bridge and go to the top of the Beenox building, its the second building.