I have been through the first level numerous times I have searched everywhere..

When you get the suit swapper for batman at the start you also need a bomb user blow up the black and red vent near the suit swapper and build the grapple pad go up and destroy the window on the left side theres a ledge follow the money trail to another ledge jump off, collect all the money and build the lever which is protected by cold air that will kill you unless you have a cold resistant guy pull the lever build the blue key thing and use the blue key if you have itgo inside and blow up the red and black box build the button and press the buttons so that the colors line up red brick will appear.