- Script
- John Byrne (credited)
- Pencils
- John Byrne (credited)
- Inks
- Karl Kesel (credited)
- Colors
- Tom Ziuko (credited)
- Letters
- John Costanza (credited)
- Editing
- Mike Carlin (credited as Michael Carlin)
- Job Number
- G-3336
- Genre
- superhero
- Characters
- Superman [Clark Kent; Kal-El]; Lois Lane; Jimmy Olsen; Cat Grant; Mr. Harrigan; VILLAIN: Mr. Mxyzptlk [as Ben DeRoy; aka Beyonder] (first post-Crisis appearance)
- Synopsis
- Mr. Mxyzptlk, the imp from the 5th Dimension, introduces himself to Superman.
- Reprints
- in Stålmannen (SatellitFörlaget, 1988 series) #8/1988
- in Der Neue Superman (Egmont Ehapa, 1987 series) #1/1988 (14.01.1988)
- in Supermán (Grupo Editorial Vid, 1986 series) #46 (Julio 12 de 1988)
- in Supermann (Semic, 1985 series) #8/1988 (uke 34 1988)
which is reprinted- in Lois and Clark, The New Adventures of Superman (DC, 1994 series) ([July] 1994)
- in Superman: The Man of Steel (DC, 2003 series) #5 (2006 [January 2007])
- in Superman: A Celebration of 75 Years (DC, 2013 series) (2013 [January 2014])
- in World's Funnest (DC, 2016 series) ([May] 2016)
- in Superman Anthologie (Panini Deutschland, 2018 series) (2018)
- in Superman: The Man of Steel (DC, 2020 series) #2 (2020 [March 2021])
Ben DeRoy is an homage/anagram to Marvel's The Beyonder, including a perm and white suit.
- Script
- Mike Carlin
- Letters
- typeset
- Job Number
- L-2886
Letters from readers - Tim Hayes, Michael A. Medlock, Eric Sklar, Richards Rivera, Mark Armstrong, Robert John Williams, Mark Haden Frazer and Charles Kelly - and responses from Mike Carlin.