| Issue | #99 |
| Published | December 1963 |
| Frequency | monthly |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Stan Lee |
| Notes | Distributed to newstands in October 1963. This issue includes 10 pages of paid advertisements. Distribution date from Joseph Marek's Marvel Comics Group history website. |
| Characters | Thor [Donald Blake]; Jane Foster; Mister Hyde [Calvin Zabo] |
| Genre | superhero |
| Pencils | Jack Kirby |
| Inks | George Roussos |
| Reprinted | in Marvel Masterworks (Marvel, 1987 series) #18 (1991); in Essential Thor (Marvel, 2001 series) #1 (2001) [black and white]; in Marvel Masterworks: The Mighty Thor (Marvel, 2003 series) #1 (2003); in Mighty Thor Omnibus, The (Marvel, 2010 series) #1 (December 2010) |
| Characters | Thor [Donald Blake]; Mister Hyde [Calvin Zabo] (introduction, origin); Jane Foster; Odin |
| Synopsis | Having been refused a job by Dr. Blake, Calvin Zabo becomes Mister Hyde and attacks the doctor. Meanwhile, Odin has agreed to let Thor marry Jane Foster if she proves worthy. After Mister Hyde learns that Blake survived ('saved' by Thor) it seems that Thor robs a bank, and the police issue a warrant for his arrest. |
| Genre | superhero |
| Script | Stan Lee |
| Pencils | Don Heck |
| Inks | Don Heck |
| Letters | Artie Simek |
| Notes | Job number from Tom Lammers and Ger Apeldoorn via the Atlas/Timely discussion group. Continues in next issue. |
| Reprinted | in Marvel Tales (Marvel, 1966 series) #13 (March 1968); in Mitico Thor, Il (Editoriale Corno, 1971 series) #7 (July 6, 1971) [as "Il misterioso mr. Hyde!", Italian translation]; in Marvel Masterworks (Marvel, 1987 series) #18 (1991); in Essential Thor (Marvel, 2001 series) #1 (2001) [black and white]; in Marvel Masterworks: The Mighty Thor (Marvel, 2003 series) #1 (2003); in Mighty Thor Omnibus, The (Marvel, 2010 series) #1 (December 2010) |
| Characters | Matt Anderson; Midget Morgan/Count Morgan; Dr. Waynne |
| Synopsis | The mysterious death of a scientist reveals a mystical device and leads to the death of a centuries-old Italian count. |
| Genre | occult |
| Letters | typeset |
| Notes | Text story with illustration. The events of this story are dated January 8, 1952. |
| Reprinted | from Journey Into Unknown Worlds (Marvel, 1951 series) #13 (October 1952) |
| Characters | King Kellu; Dr. Immanuel Stroom |
| Synopsis | An alien world is dangerously overpopulated, so a scientist releases a gas that shrinks the entire population, making the same amount of space accomodate more people. |
| Genre | science fiction |
| Script | Stan Lee (plot); Larry Lieber (script) |
| Pencils | Larry Lieber |
| Inks | Matt Fox |
| Letters | Sam Rosen |
| Notes | Job number from Tom Lammers and Ger Apeldoorn via the Atlas/Timely discussion group. Recycles in part the plot of Fantastic Four (1961 series) #7. Info by Bob Bailey, 2005-03-19 (Per Sandell ed.). |
| Characters | Odin; Surtur |
| Synopsis | The Trolls ally with Surtur against Asgard, but Odin conquers them. Surtur travels to Earth to destroy it, but again Odin defeats him and traps him in the center of the planet. Their battle creates the moon and starts the rotation of the Earth. |
| Genre | Fantasy |
| Script | Stan Lee |
| Pencils | Jack Kirby |
| Inks | George Roussos (uncredited) |
| Notes | Job number from Tom Lammers and Ger Apeldoorn via the Atlas/Timely discussion group. Inks: Uncredited info by Bob Bailey, 2005-03-19 (Per Sandell ed.) |
| Reprinted | in Tales of Asgard (Marvel, 1968 series) #1 (October 1968); in Marvel Masterworks (Marvel, 1987 series) #26 (1993); in Mitico Thor, Il (Editoriale Corno, 1971 series) #3; in Essential Thor (Marvel, 2001 series) #1 (February 2001) [black & white]; in Marvel Masterworks: The Mighty Thor (Marvel, 2003 series) #2 (2003); in Thor: Tales of Asgard (Marvel, 2009 series) #1 (July 2009); in Mighty Thor Omnibus, The (Marvel, 2010 series) #1 (December 2010) |