The Silver Age of Superman Vol.2 (1963-1966)

In these classic adventures from January 27, 1963 until the series conclusion on May 1, 1966, the impish Mr. Mxyzptlk from the Fifth Dimension returns to exasperate the Man of Steel; Superman becomes Super-Cop to outwit a master spy when Metropolis's entire police force is disabled; tries to help a planet of blind people regain their sight, but loses his own powers in the process; fights it out with his arch enemy Lex Luthor on an alien planet where Luthor is the hero and Superman a villain; competes in the Interplanetary Olympics against a field in which everyone has super-powers; travels back in time with Lois Lane; and is reunited with the mermaid Lori Lemaris; plus more!