Olivia Munn shows off her killer katana skills for X-Men movie

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Famed geek girl Olivia Munn is gearing up for her role as X-Men's Psylocke and she wants you to know she's pulling all her own stunts.

The former Daily Show correspondent took to Instagram on Sunday to show off her skills with an actual katana. 

In a word, wow.

It looks like Munn is in perfect form and slinging that killer sword around like an expert. 

This is one actress you don't want to mess with.

Photo via gageskidmore/Flickr (CC BY SA 2.0)