When players load up MW2, they've been noticing that, in the top-right corner of their screens, a couple of 'Report Status Changed' messages display. The first part of the message tells you that you have been reported, and the second part explains what was the reason behind the report.
"Bravo Six, Going Dark" is a quote from the trailer for the video game Call of Duty: Modern Warfare. Captain Price says this as he moves through a forest in the dark, equipped with night vision goggles.