Mark Ruffalo: Actor,Shaved | Adult Movies Online activist, accidental audio pirate.

As the Hollywood Reporterexplains, despite studio efforts to prevent leaks from the Tuesday night premiere of Thor: Ragnarok, more than 2,600 people got an illegal sneak peek thanks to Ruffalo's limitations with Instagram Live.

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The actor accidentally left an Instagram livestream running on his phone well after opening credits, giving viewers an audio preview of the upcoming Marvel flick. Mark, no!

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Per screenshots snagged from the livestream, Ruffalo – who stars as Bruce Banner in the Marvel series – seemed relatively relaxed about his mistake.

We're guessing the same cannot be said for studio marketing execs going prematurely gray over the leak.

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Topics Marvel Celebrities