The song featured in the commercial for “Our Flag Means Death” is “The Real Slim Shady” by Eminem. This song is known for its catchy hook and playful lyrics, which contrast with the comedic and adventurous tone of the show. “Our Flag Means Death” is a comedy series that follows the misadventures of a group of pirates, and the use of this song in marketing helps to set the tone for the show’s irreverent humor. If you have any specific questions about the show or its music, feel free to ask!