Appearing in "The Ballad of Beta Ray Bill! (Six Against Infinity, Part 1)"
- Korbinites (First appearance) (Main story and flashback)
- Redwing (Mentioned)
- Super Hero Squad (Mentioned)
- Mayor of Super Hero City
- Princess Anelle (Appears on a computer screen, TV, or hologram only)
Races and Species:
- Earth-TRN171 (First appearance)
- Korbin (First appearance) (Main story and flashback)
- Space Station Skuttlebutt (First appearance)
Synopsis for "The Ballad of Beta Ray Bill! (Six Against Infinity, Part 1)"
After being thrown into a portal by Dark Surfer, Thor befriends a Korbonite janitor named Beta Ray Bill, and must give up Mjolnir in order to prove that he has excellent fighting skills.
- Title card's issue homage Thor #337
- Several horse jokes made in the episode, including Bill counting in a horse style; the Stranger saying "It's not over yet, My Little Pony;" and "A Norse is a Norse. Of course, of course." The last one is a reference to Mr. Ed.