1st Printing
| Release: | Jun 30, 1966 |
| Cover: | Sep 1966 |
If Asgard Falls / Mad Merlin / the Enchantress and the Executioner
| Release: | Jun 30, 1966 |
| Cover: | Sep 1966 |
If Asgard Falls - Asgard is hosting a tournament, which is soon interrupted by the Destroyer, operating under Loki's will.
Mad Merlin - Reprinted from Journey Into Mystery #96
The Enchantress and the Executioner - Reprinted from Journey Into Mystery #103
| Writer | Larry Lieber, Robert Bernstein, Stan Lee |
| Artist | Joe Sinnott |
| Cover Artist | Jack Kirby |
| Cover Penciller | Jack Kirby |
| Cover Inker | Vince Colletta |
| Penciller | Larry Lieber, Joe Sinnott, Jack Kirby |
| Inker | Chic Stone, Joe Sinnott, Vince Colletta |
| Letterer | Sam Rosen, Artie Simek |
| Plotter | Stan Lee |
| Scripter | Robert Bernstein |
| Editor | Stan Lee |
| Editor in Chief | Stan Lee |
| Thor | Thor Odinson |
| Loki | Loki Laufeyson |
| Odin | Odin Borson |
| Balder the Brave | Balder Odinson |
| Enchantress | Amora |
| Absorbing Man | Carl 'Crusher' Creel |
| Jane Foster | |
| Volstagg The Voluminous | Volstagg |
| Hogun the Grim | Hogun |
| Fandral The Dashing | Fandral |
| Executioner | Skurge |
| Heimdall | Rig-Heimdall |
| Dr. Blake | Donald Blake |
| King Arthur | Arthur Pendragon |
| John F. Kennedy | |
| Caroline Kennedy | |
| King Sindri | Sindri |
| Skord | |
| King Mirmir | Mirmir |
| Gullin | |
| Embla | |
| Aske | |
| Merlin | Maha Yogi |
| Kenneth O'Donnell | |
| Pierre Salinger | |
| Galp of the Steel Arm | Galp |
| Drom the Spirit-Weaver | Drom |
| Brok the Crusher | Brok |
| Dwarves (Nidavellir) | |
| Destroyer (Asgardian) | The Destroyer (Asgardian) |
| Wind Giants | |
| Tyr of the Blinding Blade | Tyr |
| Age | Silver Age |
|---|---|
| Format | Comic |
| Series Group | Thor |
| Genre | Action | Adventure | Super-Heroes |
| No. of Pages | 64 |
| Country | USA |
| Language | English |