LONDON — It's already common knowledge that Idris Elba is ポルノ映画館 ホテル廃墟something of a badass — just look at him in The Wire, or Luther, or pretty much anything else he's ever been in — but you might not have known that he's also a kickboxingbadass.

On Saturday, Madonna shared ringside footage of Elba fighting in London boxing venue York Hall.

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So why is Idris Elba fighting in a famous boxing ring, anyway?

Well back in August, The Telegraphreported that Elba is currently filming a three-part documentary chronicling his attempt to become a professional kickboxer. The documentary is called Fighter, and it'll air in 2017.

From the looks of it, Madonna's footage captures part of Elba's ongoing journey.

Another Instagram account affiliated with Elba, 7dub, features clips and pictures of him in training.

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The lesson?

Don't ever, ever get into a fight with Idris Elba.