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Sylvester Stallone and Jean-Claude Van Damme go head-to-head, fist-to-fist and toe-to-toe in the riveting finale of The Expendables 2, and we have a first look behind the scenes at how that that climactic fight came to be from the upcoming The Expendables 2 Blu-ray special features!

Video: Why 'Expendables' Cast Felt Pressure for Sequel

Stallone's second rough-and-tumble Expendables outing finds top action heroes Bruce Willis, Arnold Schwarzenegger, Jason Statham, Jet Li, Randy Couture, Terry Crews and Dolph Lundgren in a new mission that turns personal when the mercenaries find themselves on the brink of a global disaster, with "The Muscles From Brussels" Van Damme playing a villainous rival mercenary.

This time around, Chuck Norris, Liam Hemsworth and first female Expendable Yu Nan are also in on the action.

PIC: Arnold & Sly Nurse 'Expendables 2' Injuries

The Expendables 2 is out on Blu-ray, DVD, download and On demand November 20.