Time to welcome this show back from its hiatus here in the U.S.
I could take the episode's title and throw in a Jonathan Winters joke, but I think I'd date myself severely.
No, it doesn't pick up from any particular plot thread, but it decides to go with an episode highlighting Thor. He has a movie out, you know! This is the first animated appearance of Malekith the Accursed and it's cool from that standpoint. The rest of the episode felt a little generic with nothing of note, though I kinda got a kick out of Tony Stark acting like a douche for most of the episode.
Dig those cameos from The Human Torch and The Thing! Were they totally pointless? Absolutely! But I love that they're establishing that this is a Marvel Universe world, where it's only logical that a bunch of superheroes can spring into action at any time, even they aren't part of the Avengers team.
I'd guess the movie will have little to no connection to the comic storyline of the same name, as it's a big jump to "let's introduce the Ultron character" to "have Ultron take over the world and have him stopped not by the Avengers whatsoe...