Superman & Batman Generations — DC Comics
Issue: #2
Contains two stories:"1959" -- Superman and Batman deal with Mxyzptlk and Bat-Mite in a contest over whose hero is worthy enough to be taken to a far-off world to fend off an alien invasion."1969" -- Superman's family deals with Joel Kent going off to fight the Vietnam War and Lois Lane Kent diagnosed with cancer, while Batman's family solves the mystery of "Joker Junior".
First appearances: Kara Kent
Creators: Trish Mulvihill, John Byrne, Heroic Age, Jamison, Joey Cavalieri, Maureen McTigue
Characters: Batman, Alfred Pennyworth, Dick Grayson, Superman, Joker, Two-Face, Lois Lane, Mr. Mxyzptlk, Richard Nixon, Barry Allen, Wonder Woman, Alan Scott, Lex Luthor, Bat-Mite, Kara Kent, Batman Junior