| Issue | #28 |
| Published | 26 August 1967 |
| Cover Price | 9d |
| Pages | 40 |
| Editing | Alf Wallace [as Alf]; ? [as Bart]; Stan Lee (original editor) |
| Characters | The Cobra; Mr. Hyde |
| Genre | Superhero |
| Pencils | Jack Kirby |
| Inks | Chic Stone |
| Reprinted | from Journey Into Mystery (Marvel, 1952 series) #105 (June 1964) |