After the latest Call of Duty was heavily criticized for not only lack of innovation, but also with bad sales figures, it seems the time for change has come. Sledgehammer, Activision's developer for Call of Duty, ended the year with some mysterious posts on social media. Most notably, the New Year's wishes accompanied by an M1911, the standard issue pistol for many soldiers during the 20th century, as well as a tweet with a video. The video style suggests…