In a surprise no one saw coming, Marvel Studios has released the first teaser trailer for their highly anticipated fall release, Thor Ragnarok, and it’s pretty damn awesome. It’s not particularly forthcoming with plot details, but we do learn why Chris Hemsworth’s God of Thunder hasn’t been spotted with Mjolnir in any of the early promo art as Cate Blanchett’s Hela, headdress and all, shatters his mighty hammer to Kingdom Come and takes over Asgard. The trailer also shows off nearly all of the new and returning characters and closes with our hero stepping into the Grandmaster’s arena where he reencounters an old friend from work… but it doesn’t seem like the reunion will be as joyous as he had hoped. Check out the trailer, which is set to Led Zeppelin’s “Immigrant Song,” below: