“In the Shadow of Mangog!”
Stan Lee, Editor/ Gerry Conway, Writer/ John Buscema, Artist/ Vince Colletta, Inker/ Artie Simek, Letterer
Currently unaware of the danger that Odin has allowed Loki to unleash, Thor and his friends take a well-deserved breather. Thor takes off his helmet and lets his beautiful tresses flow, while Fandral dances like an idiot. Thor pledges that he and Sif shall be wed within a fortnight. For a second time, Asgardian women other than Sif appear in the background.
All this revelry is cut short when Odin sends Thor and “the three who’s lives are bound to his” on a quest into the World’s End, to find Kartag the Keeper, so that he might divulge the secret of the Twilight Well. Sif can’t even be bothered to ask to go along only to be sternly denied. She skips straight to crying.
Odin then summons a warrior named Hildegarde and commands that she take Sif to Blackworld, which she does, by karate chopping Sif into unconsciousness and picking her up while Odin transports the two of them with his rod.
When Sif awakens she cries some more, bemoaning her separation from Thor. Hildegarde is unimpressed, as she is in love with one of the trio. She does not elaborate on this point, “We’ll have time enow for woman’s talk when we do reach shelter.” The two warriors head to a small village and along the way they help The Mighty Thor pass the very low bar that is the Bechtel Test for the first time in 112 issues.
On Asgard, Odin has assembled a team of very old friends of his: Khan, Rongor, Whitemane, and a fourth as-of-yet unnamed one. He need their help to protect Asgard against that which he has unwittingly unleashed.
He shows his friends that thanks to his mistake, Loki has released the Mangog, which somehow still exists. The Mangog does not believe in gratitude and traps Loki in a block of Amber.
Thor and company fight their way through some freaky monsters, including a pack of trolls that look unlike any trolls we have seen in these pages to date. Thor spares the lives of one of the trolls, named Kygar, who pledges to serve Thor forevermore.
And then the still-living Mangog arrives in Asgard.
First Appearance: Hildegarde, Khan, Rongor, Whitemane, Kygar