Superman: The Silver Age Sundays #2

Plot

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 SuperCop 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 superpowers; travels back in time with Lois Lane; and is reunited with the mermaid Lori Lemaris; plus more!