Action Comics #853

Synopsis

The lab monkey from the tests that created the Kryptonite Man is on the loose, and finds the Kryptonite Man, helping him escape. Jimmy has become a hero, Mr. Action, and debates what to do next. Kryptonite Man takes over Rydertech's labs. Jimmy finds out about it, and as Mr. Action attacks, but is defeated. Superman tracks them down, but is overcome also. As he is tied up in the back, Jimmy doesn't know that Superman's there, and constructs another hypersonic signal device. The signal is answered by Krypto.