User blog comment:Deathmanstratos/Some Call of Duty: Advanced Warfare singleplayer background information revealed/@comment-6343006-20140505004610/@comment-24001421-20140505011936

"And no characterisation will ever come to the Multiplayer; this isn't Team Fortress here, or even zombies."

considering theyre switching to a new engine supposedly, its possible they could add characterisation to multiplayer.