| Issue | #5 |
| Published | April 1973 |
| Cover Price | 0.20 USD |
| Pages | 36 |
| Editing | Roy Thomas |
| Characters | Defenders [Valkyrie; Sub-Mariner [Namor]; Hulk [Bruce Banner]]; Omegatron |
| Genre | superhero |
| Pencils | Sal Buscema |
| Inks | John Verpoorten |
| Reprinted | In Essential Defenders (Marvel, 2005 series) #1; in Marvel Masterworks: The Defenders (Marvel, 2008 series) #1 |
| Characters | Defenders [Valkyrie; Dr. Strange [Stephen Strange]; Sub-Mariner [Namor]; Hulk [Bruce Banner]]; Black Knight [Dane Whitman]; Clea; Aragorn; Betty Prentiss; Namorita; Omegatron |
| Synopsis | The Defenders stop Omegatron from destroying the Earth. |
| Genre | superhero |
| Script | Steve Englehart |
| Pencils | Sal Buscema |
| Inks | Frank McLaughlin |
| Colors | Glynis Wein |
| Letters | Charlotte Jetter |
| Reprinted | In Essential Defenders (Marvel, 2005 series) #1; in Marvel Masterworks: The Defenders (Marvel, 2008 series) #1 |