| 126 | Defenders, The | 1st appearance of Leviathan (Edward Cobert); Origin of Leviathan (Edward Cobert) |
| 126/NS | Defenders, The | 1st appearance of Leviathan (Edward Cobert); Origin of Leviathan (Edward Cobert) |
| 126 | Defenders, The (Canadian Edition) | 1st appearance of Leviathan (Edward Cobert); Origin of Leviathan (Edward Cobert) |
| 7 | Essential Defenders | Reprints Defenders #126-139, Iceman (1st Series) #1-4, Beauty and The Beast (Marvel) #1-4; 1st appearance of Leviathan (Edward Cobert); 1st appearance of Walrus (Hubert Carpenter); 1st appearance of the Gamma Spores; 1st appearance of Manslaughter; 1st appearance of Blowtorch Brand; Origin of Leviathan (Edward Cobert); Origin of Walrus (Hubert Carpenter); Origin of Moondragon (Heather Douglas); Origin of Moondragon |