Adventures of Superman — DC Comics
Issue: #638
Mr. Mxyzptlk shows Clark and Lois a possible future were they have a daughter that grows to be a super powered hero.
First appearances: Lara Lane Kent
Creators: Eddie Berganza, Andy Lanning, Greg Rucka, Greg Rucka, Pat Brosseau, Tom Palmer Jr, Richard Horie, Tanya Horie, Matthew Clark, Carlos Meglia
Characters: Superman, Hawkman, Lois Lane, Mr. Mxyzptlk, Hal Jordan, Wonder Woman, Black Canary, Lex Luthor, Lobo, Ray Palmer, Wally West, Lara Lane Kent, Jonathan Kent, Martha Kent