| Issue | #55 |
| Published | July 1964 |
| Frequency | monthly |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Stan Lee |
| Notes | Distributed to newstands in April 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 | Sol Brodsky |
| Letters | Sam Rosen |
| Notes | Inks credit from Nick Caputo via the GCD Error List (30 August 2006); the original indexer credited Dick Ayers. Letters credit 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; Happy Hogan; Pepper Potts |
| Synopsis | Iron Man escapes the Mandarin and destroys the ray he used to interfere with US missiles. Meanwhile, Happy struggles to keep the company operating in Tony's absence. |
| Genre | superhero |
| Script | Stan Lee |
| Pencils | Don Heck |
| Inks | Don Heck |
| Letters | Artie Simek |
| Notes | Continues from last issue. The Mandarin next appears in issue #61 (January 1965). |
| Reprinted | in Marvel Collectors' Item Classics (Marvel, 1965 series) #15 (April 1968); 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) |
| Pencils | Jack Kirby (Fantastic Four cover); Steve Ditko (Amazing Spider-Man cover) |
| Inks | Sol Brodsky (Fantastic Four cover); Steve Ditko (Amazing Spider-Man cover) |
| Notes | Advertises Amazing Spider-Man (Marvel, 1963 series) #14 (July 1964) and Fantastic Four (Marvel, 1961 series) #28 (July 1964). |
| Characters | Iron Man [Tony Stark]; Black Widow [Natasha Romanoff]; Melter [Bruno Horgan]; Mandarin; Scarecrow [Ebenezer Laughton]; Mister Doll [Nathan Dolly]; Gargantus; Crimson Dynamo [Anton Venko]; Jack Frost [Gregor Shapanka]; Happy Hogan; Pepper Potts |
| Synopsis | A detailed guide to Iron Man's armor. With some details about his personal life and supporting cast. |
| Genre | superhero |
| Script | Stan Lee |
| Pencils | Don Heck |
| Inks | Don Heck |
| Letters | Sam Rosen |
| Notes | The last page is a pin-up of Pepper Potts with Happy Hogan. It is also the first time we learn her real name: Virginia Potts. |
| Reprinted | in Marvel Masterworks (Marvel, 1987 series) #20 (1992); in Essential Iron Man (Marvel, 2000 series) #1 [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 | Pepper Potts; Happy Hogan |
| Synopsis | reduntant sequence marked for deletion. |
| Genre | superhero |
| Pencils | Don Heck |
| Inks | Don Heck |
| Notes | This sequence should be deleted because it is numbered as the fifth page of the previous sequence. |
| Reprinted | in Marvel Masterworks (Marvel, 1987 series) #20 (1992); in Essential Iron Man (Marvel, 2000 series) #1 (black and white) |
| Characters | Charlie Smith; Will |
| Synopsis | A boy stumbles across a secret disintegrating formula stolen from a government lab. |
| Genre | science fiction |
| Letters | typeset |
| Notes | Continues in next issue. This page includes a teaser for the next issue: "Next Ish: 'Iron Man Meets the Unicorn!'" |
| Reprinted | from Mystic (Marvel, 1951 series) #39 (September 1955) [page 1] |
| Characters | Watcher [Uatu] |
| Synopsis | The Watcher must save Earth from an alien without breaking his vow of non-interference. |
| Genre | science fiction |
| Script | Stan Lee (plot); Larry Lieber (script) |
| Pencils | Larry Lieber |
| Inks | Larry Lieber |
| Letters | Artie Simek |
| Reprinted | in Marvel Collectors' Item Classics (Marvel, 1965 series) #20 (April 1969); in Fantastici Quattro, I (Editoriale Corno, 1971 series) #60 (July 24, 1973) [as "Il ladro del sole!", Italian translation] |