Maybe it's just my old eyes but can't say I particularly noticed a difference in movement between MW-2019 and MW2-022.
If characters, guns etc. all carry over to MW3, I wonder if Activision will go a Destiny style route with CoD. I know the games are so vastly different but rather than a 'new' CoD each year, why not do it as a huge DLC pack that adds on to the existing game.