| Issue | #100 |
| Published | March 1959 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Jack Schiff; Murray Boltinoff (associate editor); George Kashdan (associate editor) |
| Notes | 1st issue to list editorial staff. |
| Characters | Batman [Bruce Wayne]; Robin [Dick Grayson]; Superman [Clark Kent] |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | Stan Kaye |
| Reprinted | in World's Finest Comics Archives (DC, 1999 series) #2; in Showcase Presents: World's Finest (DC, 2007 series) #1 |
| Characters | Superman [Clark Kent]; Batman [Bruce Wayne]; Robin [Dick Grayson]; Lex Luthor (villain); Kandor (called Krypton City in this appearance); Fortress of Solitude; Brainiac (cameo, flashback) |
| Synopsis | Luthor shrinks himself and tricks Superman into leaving him in the Fortress, where he enters Krypton City [Kandor] and takes over. |
| Genre | superhero |
| Script | Bill Finger |
| Pencils | Dick Sprang |
| Inks | Stan Kaye |
| Notes | Original indexers incorrectly listed Paris as inker. Lex Luthor referred to the inhabitants of Krypton City as Kryptonites (that and Krypton City notation from Ken Rowand, April 14, 2006). |
| Reprinted | in World's Finest Comics (DC, 1941 series) #179 (October 1968); in World's Finest Comics Archives (DC, 1999 series) #2; in Showcase Presents: World's Finest (DC, 2007 series) #1 |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Genre | teen |
| Script | Jack Schiff |
| Pencils | Bernard Baily |
| Inks | Bernard Baily |
| Letters | Ira Schnapp |
| Genre | western; period |
| Pencils | Bob Brown |
| Inks | Bob Brown |
| Letters | typeset |
| Characters | Green Arrow [Oliver Queen]; Speedy [Roy Harper]; Green Error (Intro); Arrow-Car; Robbers (Villains) |
| Synopsis | Green Arrow and Speedy meet the Green Error, a clown who spoofs Green Arrow at the circus. Green Error's tools help them stop the robbers who stole the day's receipts. |
| Genre | superhero |
| Script | Ed Herron (?) |
| Pencils | Lee Elias |
| Inks | Lee Elias |
| Notes | Green Arrow has Green Hat. Writer id by Bob Hughes 1/05. |
| Reprinted | in World's Finest Comics (DC, 1941 series) #159 (August 1966); In Showcase Presents Green Arrow (DC 2006 series) #1 |