"This Means War" is the third single from the Canadian rock band Nickelback's seventh studio album, Here and Now. It was initially released as a promotional single in Germany on November 10, 2011, and was later released as a radio single in the United States on February 14, 2012.
On February 16, 2012, a behind the scenes-video is posted on nickelbacktv on YouTube. A music video was shot for the single, it premiered on March 29, 2012. It was also used as the official theme song for WWE's Elimination Chamber (2012).