| Issue | #31 |
| Published | May 1989 |
| Cover Price | 0.75 USD; 0.95 CAD |
| Pages | 36 |
| Editing | Mike Carlin |
| Characters | Superman [Clark Kent; Kal-El]; Mr. Mxyzptlk; Lex Luthor |
| Genre | Superhero |
| Pencils | Kerry Gammill (signed) |
| Inks | Dennis Janke (signed) |
| Characters | Team Luthor; Morris; Mr. Vekko; VILLAINS: Mr. Mxyzptlk [also disguised as Superman]; Lex Luthor |
| Synopsis | With Superman missing, Mr. Mxyzptlk sets his sights on Lex. |
| Genre | Superhero |
| Script | Tom Peyer (co-plotter); Roger Stern (co-plotter; script) |
| Pencils | Paris Cullins |
| Inks | Dennis Janke |
| Colors | Glenn Whitmore |
| Letters | John Costanza |
| Notes | Superman [Clark Kent] does not appear in this story. |
| Characters | Caroline Abernathy; Alton Stuart; Mr. Durwood; Morris; Scott Harris; Lawrence Wilcox; Miss Conway; VILLAINS: Lex Luthor; Morgan Edge; Brainiac [Milton Fine; Vril Dox]; Sydney Happersen; Dr. Gretchen Kelley |
| Synopsis | Lex continues his attempt to buy out S.T.A.R. Labs. |
| Genre | Superhero |
| Script | Jerry Ordway |
| Pencils | Dan Jurgens |
| Inks | Dennis Janke |
| Colors | Glenn Whitmore |
| Letters | Albert DeGuzman |
| Script | Mike Carlin |
| Letters | typeset |
| Notes | Letters from readers - Howard T. Kidd, Kevin Sharp, Charlie Harris, Glenn Cooper, Chris Hines, Dale Coe, Michael D. High and Kevin J. Conley - and responses from Mike Carlin. |