| Issue | #377 |
| Published | March 1987 |
| Cover Price | $0.75 |
| Pages | 36 |
| Editing | Craig Anderson (Assistant); Ralph Macchio |
| Characters | Thor; Grendell; Dark Elves |
| Genre | superhero; fantasy |
| Pencils | Walt Simonson |
| Inks | Walt Simonson |
| Characters | FEATURE: Thor; GUESTS: Heimdall; Enchantress; Iceman; Beast; Sif; Fandral; Hogun; Kevin; Mick; VILLAINS: Wormwood; Dark Elves; Grendell (I); Loki; Storm Giants |
| Synopsis | While Thor is working on a mysterios project in Midgard, the Dark Elves summon Grendell to kill their foe; Loki captures Iceman and uses him to bring winter to Asgard and empower the Storm Giants. |
| Genre | superhero; fantasy |
| Script | Walt Simonson |
| Pencils | Sal Buscema |
| Inks | Sal Buscema |
| Colors | Christie Scheele |
| Letters | John Workman |