Action Comics Vol. 1 (1938-2011; 2016-) #199

Plot

Luthor creates a duplicate of Superman composed of duplicate atoms. Luthor then sends the duplicate to cause disasters and help criminals. Superman discovers the duplicate is not a robot and realizes that Luthor must be behind its creation. After battling the duplicate until its power runs out, Superman trails the energy source back to Luthor and destroys the machine responsible for the creation of the duplicate.