| 78 | Captain Atom (Charlton) | Series continued from Strange Suspense Stories #77; Origin of Captain Atom (Allen Adam) |
| 1 | Captain Atom (DC) | 1st Appearance of Wade Eiling; 1st Appearance of Dr. Megala; 1st Appearance of Babylon; Origin of Captain Atom |
| 1/NS | Captain Atom (DC) | 1st Appearance of Babylon; 1st Appearance of Dr. Megala; 1st Appearance of Wade Eiling; Origin of Captain Atom |
| 3 | Captain Atom (DC) | Origin of Captain Atom (fake origin) |
| 3/NS | Captain Atom (DC) | Origin of Captain Atom (fake origin) |
| 26 | Captain Atom (DC) | Origin of Captain Atom |
| 26/NS | Captain Atom (DC) | Origin of Captain Atom |
| 27 | Captain Atom (DC) | Origin of Captain Atom |
| 27/NS | Captain Atom (DC) | Origin of Captain Atom |
| 28 | Captain Atom (DC) | Origin of Captain Atom; Versus Ghost; Versus Bolt |
| 28/NS | Captain Atom (DC) | Origin of Captain Atom; Versus Bolt; Versus Ghost |
| 36 | Captain Atom (DC) | Origin of Captain Atom; Origin of Major Force |
| 41 | Captain Atom (DC) | Origin of Captain Atom |
| 1 | Captain Atom (DC, Canadian Edition) | 1st Appearance of Wade Eiling; 1st Appearance of Dr. Megala; 1st Appearance of Babylon; Origin of Captain Atom |
| 3 | Captain Atom (DC, Canadian Edition) | Origin of Captain Atom (fake origin) |
| 90 | DC Comics Presents | Origin of Captain Atom |
| 90/NS | DC Comics Presents | Origin of Captain Atom |
| 13 | Extreme Justice | Versus Monarch; True origin of Captain Atom |
| 13/NS | Extreme Justice | Versus Monarch; True origin of Captain Atom |
| 34 | Secret Origins (3rd Series) | Origin of Captain Atom; Origin of G’Nort; Origin of Rocket Red |
| 34/NS | Secret Origins (3rd Series) | Origin of Captain Atom; Origin of G’Nort; Origin of Rocket Red |
| 33 | Space Adventures | 1st Appearance of Captain Atom; Origin of Captain Atom |
| 2003 | Superman/Batman Secret Files | Origin of Captain Atom |
| 2003/NS | Superman/Batman Secret Files | Origin of Captain Atom |