Call of Duty: Modern Warfare 2 has been the fastest-selling game in the franchise. The latest installment for the popular first-person shooter sold over $1 billion worth in just ten days since its release. The game is one of the best-selling titles across all platforms at the moment.

One of the most popular characters in the Call of Duty series is Lieutenant Simon "Ghost" Riley. The operator first debuted in 2009's Call of Duty: Modern Warfare 2. Since then, he has appeared in most of the Modern Warfare titles and is a playable character in Warzone.

Fans have long been intrigued by his iconic skull-patterned balaclava and unique attitude. Ghost's face was recently revealed when data miners found his character model without the balaclava.

Infinity Ward, a studio that shares development duties for the Call of Duty series with Treyarch and Sledgehammer Games, has now expressed interest in making a campaign based on Ghost as the character. The studio already had plans for a stand-alone game featuring the Task Force 141 member as the main protagonist. Brian Bloom, head writer for the series, revealed to IGN that the studio has long-dreamed of a Ghost spin-off game.