Chris Hemsworth’s emotional message about his 15-year journey as Thor has Marvel fans wondering if his superhero character is going to be killed off in .

Earlier this week, Hemsworth, 41, called his time playing the God of Thunder “one of the greatest honours of my life,” which some followers took as a thinly-veiled goodbye post.

“For the last 15 years I’ve held Mjolnir and then Stormbreaker as the God of Thunder, but what made it truly special… was sharing it with all of you,” Hemsworth wrote on YouTube as he shared a Legacy of Thor video. “Your passion, your cheers, and your love for this character have meant everything to me. Thank you for making my journey through the Marvel Cinematic Universe unforgettable.. Next up, Doomsday !”

Hemsworth’s name was one of the first revealed

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