User blog comment:Drkdragonz66/Call of Duty: Iron Wolf?/@comment-68.149.226.186-20120103005155/@comment-5017379-20120104135922

^Again, source? There's nothing in the Modern Warfare titles to indicate they are connected, aside from the Kravchenko Easter Egg. And for that exact reason (it's an Easter Egg), there's nothing to indicate they are connected.