| Issue | #54 |
| Published | June 1964 |
| Frequency | monthly |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Stan Lee |
| Notes | Distributed to newstands in March 1964. This issue includes 10 pages of paid advertisements. Distribution date from Joseph Marek's Marvel Comics Group history website. |
| Characters | Iron Man [Tony Stark]; Mandarin |
| Genre | superhero |
| Pencils | Jack Kirby |
| Inks | Chic Stone |
| Letters | Artie Simek |
| Notes | Letters credits from George Olshevsky's Marvel Comics Index. |
| Reprinted | in Essential Iron Man (Marvel, 2000 series) #1 (2000) [black and white]; in Marvel Masterworks: The Invincible Iron Man (Marvel, 2003 series) #2 (2004); in Iron Man Omnibus (Marvel, 2008 series) #1 (2008) |
| Characters | Iron Man [Tony Stark]; Mandarin; Pepper Potts; Happy Hogan |
| Synopsis | Tony's observer missiles have failed in Viet Nam. So, he goes to investigate, wich leads him to the Mandarin. He attacks the Mandarin's castle, but he is captured. |
| Genre | superhero |
| Script | Stan Lee |
| Pencils | Don Heck |
| Inks | Don Heck |
| Letters | Artie Simek |
| Notes | The Mandarin last appears in issue #50 (February 1964). This story continues next issue. |
| Reprinted | in Essential Iron Man (Marvel, 2000 series) #1 (2000) [black and white]; in Marvel Masterworks: The Invincible Iron Man (Marvel, 2003 series) #2 (2004); in Iron Man Omnibus (Marvel, 2008 series) #1 (2008) |
| Characters | Ezra Bolton; Prof. Carmichael; Prof. Greever |
| Synopsis | A bookkeeper dreams that he is a government agent hunting a mad scientist with a destructive sound device. |
| Genre | spy |
| Letters | typeset |
| Notes | Sequence inclusion due to David Postle via the GCD Error List (27 February 2007). The first page is printed between the pages of the Iron Man story, while the second page is printed between the back-up story and Tales of the Watcher story. The last page is split with a promo. |
| Reprinted | from Mystic (Marvel, 1951 series) #43 (January 1956) |
| Characters | Skrang; Miss Hotchkiss |
| Synopsis | An invincible alien invader has weapons that can disable all Earth's armed forces, but he is frightened off when he see's an old lady's fox-fur collar, since his people have never been able to beat a fox-like alien race, and he thinks that the humans have beat and skinned them. |
| Genre | science fiction |
| Script | Stan Lee (plot), Larry Lieber (script) |
| Pencils | Larry Lieber |
| Inks | Dick Ayers |
| Letters | Artie Simek |
| Notes | Advertises Avengers (Marvel, 1963 series) #5 (May 1964). This shares the last page of "Secret Mission". |
| Characters | Watcher [Uatu] |
| Synopsis | The Watcher is tempted to break his vow of non-interference, but sees that it is for the best to obey. |
| Genre | science fiction |
| Script | Stan Lee (plot), Larry Lieber (script) |
| Pencils | Larry Lieber |
| Inks | Chic Stone |
| Letters | Artie Simek |
| Reprinted | in Marvel Collectors' Item Classics (Marvel, 1965 series) #10 (August 1967); in Fantastici Quattro, I (Editoriale Corno, 1971 series) #59 (July 10, 1973) [as "Giù le mani!", Italian translation] |