Interactive Entertainment\LEGO MARVEL’s Superheroes It will be in C:\Users\username\AppData\Roaming\Warner Bros. Find the Mappings.dat file from Lego Marvel’s Super Heroes.The solution is easy – place another file where this one should be. How to rebind keys in Lego AvengersThe problem is that the game doesn’t create a certain file that is supposed to store information about the control configuration. This guide will show you how to change keyboard controls in Lego Marvel’s Avengers. It’s a bug that should be fixed at some point, but in the meantime, there’s a simple workaround that will allow for customizing your keyboard commands. Anyone who tried changing them would just end up angry when they reverted back to the defaults as soon as they left the menu. Lego Marvel’s Avengers controls on the PC have been giving players grief since it came out.