Adventures Of Superman Vol.1 #542
Superman notices his that rather than recover with the return of the sun his powers seem to be getting weaker instead. He travels to Project Cadmus's hidden entry in Suicide Slum to seek help from the project in discovering why his powers haven't returned. When Misa interferes in the research Guardian offers to loan the Whiz Wagon to him so that he can go to someone else for aid.
Estimated Condition: VF/NM (Used)