| Issue | #43 |
| Published | May 1963 |
| Frequency | monthly |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Stan Lee |
| Notes | Distributed to newstands in February 1963. This issue includes 10 pages of paid advertisements. Distribution date from Joseph Marek's Marvel Comics Group history website. |
| Characters | Ant-Man [Hank Pym] |
| Genre | superhero |
| Pencils | Jack Kirby |
| Inks | Sol Brodsky |
| Letters | Artie Simek |
| Notes | Cover inks credit from Nick Caputo via the GCD Errors list, February 2009. Original indexer credited Dick Ayers. |
| Reprinted | in Essential Ant-Man (Marvel, 2002 series) #1 (2002) [black and white]; in Marvel Masterworks: Ant-Man/Giant-Man (Marvel, 2006 series) #1 (2006) |
| Characters | Ant-Man [Henry Pym]; Time-Master [Elias Weems] (introduction, origin); Tommy Weems |
| Synopsis | A scientist forced to retire makes a device to artificially age others and holds the city hostage. Ant-Man can't stop him, but when he accidentally ages his own grandson he repents and reverses the damage. |
| Genre | superhero |
| Script | Stan Lee (plot); Larry Lieber (script) |
| Pencils | Don Heck |
| Inks | Don Heck |
| Letters | Ray Holloway |
| Notes | The Time Master never appears again, Ant-Man still operates in "Center City". |
| Reprinted | in Essential Ant-Man (Marvel, 2002 series) #1 (2002) [black and white]; in Marvel Masterworks: Ant-Man/Giant-Man (Marvel, 2006 series) #1 (2006) |
| Characters | Lester Ford; Marie Ford; Lady Luck |
| Synopsis | A businessman doesn’t believe in luck, but several beneficial encounters with an old lady change his mind. |
| Genre | occult |
| Letters | typeset |
| Notes | Text story with illustration. |
| Reprinted | from Marvel Tales (Marvel, 1949 series) #136 (July 1955) |
| Characters | Frankie Jones |
| Synopsis | A boy gains extraordinary physical and mental abilities due to his parents' exposure to radiation. He wants to play baseball, but his fastball punches a hole in a tree and would damage a catcher. |
| Genre | science fiction |
| Script | Stan Lee (plot); Larry Lieber (script) |
| Pencils | Larry Lieber |
| Inks | Sol Brodsky |
| Letters | Artie Simek |
| Notes | This is a retelling of "The Rookie" from Marvel Tales (Marvel, 1949 series) #131 (February 1955). The idea of radiation granting super-powers to unborn children was a major part of early X-Men stories. |
| Characters | Yates; Cosmo |
| Synopsis | A man is bitter because he has been replaced by a computer and must take a job servicing it. It is ensconced in an air-tight clean room with a door that is opened after fifteen minutes allotted for servicing purposes. When the man enters the room, he gets the idea to sabotage the machine so that it will make mistakes and he can get his old job back, but he damages the circuits that allow the machine to open the door after the fifteen minutes of oxygen are used up. |
| Genre | science fiction |
| Script | Stan Lee |
| Pencils | Steve Ditko |
| Inks | Steve Ditko |
| Letters | Artie Simek |
| Reprinted | in Incroyable Hulk, L' (Editions Héritage, 1968 series) #42 (January 1975) [as "Mon erreur fatale", French translation] |