| Issue | #11 |
| Published | Fall 1943 |
| Cover Price | 0.10 |
| Pages | 60 |
| Editing | Vince Fago |
| Characters | The Sub-Mariner [Prince Namor]; The Angel [Tom Hallaway] (inset) |
| Genre | superhero |
| Pencils | Alex Schomburg |
| Inks | Alex Schomburg |
| Letters | typeset |
| Reprinted | in Marvel Masterworks: Golden Age Sub-Mariner (Marvel, 2005 series) #3 (2009) |
| Characters | The Sub-Mariner [Prince Namor]; Hirohito (villain); Yoko (villain, introduction, death), Admiral Joihll (villain, introduction) |
| Synopsis | The Sub-Mariner discovers the Japanese Naval forces using a cleverly disguised and phoney Japanese ship as an American boat to unsuspectingly join American convoys at sea in order to sustain damage to U.S. ships. |
| Genre | superhero |
| Pencils | Carl Pfeufer |
| Inks | Carl Pfeufer |
| Reprinted | in Marvel Masterworks: Golden Age Sub-Mariner (Marvel, 2005 series) #3 (2009) |
| Characters | The Sub-Mariner [Prince Namor]; Guest Star: Betty Dean; Dr. Suki (villain, introduction) |
| Synopsis | Successful Japanese attacks on key U.S. positions stir Sub-Mariner to action, and he discovers that Japanese agents are sneaking out of American concentration camps into specially built underground tunnels that lead to those key sites. |
| Genre | superhero |
| Pencils | Carl Pfeufer |
| Inks | Carl Pfeufer |
| Reprinted | in Marvel Masterworks: Golden Age Sub-Mariner (Marvel, 2005 series) #3 (2009) |
| Characters | Pete; Hugh; Fritz (villain) |
| Synopsis | Two American seamen prevent a box containing American defense plans from falling into the hands of Nazi agents. |
| Pencils | ? (title only) |
| Inks | ? (title only) |
| Letters | typeset |
| Reprinted | in Marvel Masterworks: Golden Age Sub-Mariner (Marvel, 2005 series) #3 (2009) |
| Characters | The Angel [Tom Hallaway]; Bernard Hix; Captain Felix Von Tont (villain, introduction, death); un-named U-Boat commander (introduction); Eric (villain); Adolf (villain); Otto (villain) |
| Synopsis | The Angel battles an enemy submarine and its crew who are atempting to steal important U.S. documents, not knowing that the Americans already have photostatic copies of them! |
| Genre | superhero |
| Pencils | Gustav Schrotter |
| Inks | Gustav Schrotter |
| Reprinted | in Marvel Masterworks: Golden Age Sub-Mariner (Marvel, 2005 series) #3 (2009) |