The new Call of Duty for 2013 hasn't been formally announced just yet, but that doesn't mean leaks can't happen.
According to Gameranx citing YouTube user Matroix, it seems we may have our first peek at the multiplayer details for Call of Duty: Modern Warfare 4 . As the source is very questionable in this case, please do take all info with a grain of salt.
Supposedly, one of the new features that we'll see is a new "slide" technique, which allows the player to leap forward into a prone position while sprinting. However, the prone position will be on the knees rather than the stomach, and players can shoot mid-slide, which sounds awfully…Hollywood-y. Another new feature involves that prone position; it seems the developers have enhanced the functionality of that position by letting us roll from side to side. This could add some speed and fluidity to the combat because rising from a prone position up until now hasn't been the smoothest transition ever.
And lastly, there may be the ability to lean out from cover. This has been featured in various PC iterations of the series but for whatever reason, it has never been allowed in the console versions. This is another more dynamic addition to the basic gameplay mechanic, so that's good news…I believe. I'm not much of a multiplayer aficionado, so I'm not sure what the hardcore CoD faithful think about all this…