Modern Warfare 3 will undo Modern Warfare 2's most controversial changes – here's everything from the Shadow Siege reveal

gamesradar.com:

Call of Duty: Modern Warfare 3 is out in the open after Warzone 2's big Shadow Siege reveal event, and it looks like the direct sequel to Modern Warfare 2 is walking back some of its least popular changes. 

A fact sheet from Activision outlines the headliners of Modern Warfare 3, including many fundamental changes to multiplayer combat. Here's a big one: core multiplayer health has been increased to 150 to lengthen the average time-to-kill, seemingly in response to criticism of Modern Warfare 2's touchy, split-second sandbox. 

Movement is also getting a shot in the arm. Where Modern Warfare 2 generally slowed things down, Modern Warfare 3 promises "new movement mechanics" like faster aim-down-sights out of a slide, reload canceling, and slide canceling. The new close-quarters Tac-Stance further "trades precise accuracy for improved mobility and handling," a tweet from the Call of Duty account adds. Oh, and one for the stealth enthusiasts: the Covert Sneakers perk will ensure totally "silent movement." 

Several multiplayer systems and UX elements are getting an overhaul, too. All your selected perks will now be available at the start of a match, unlike in Modern Warfare 2 where you'd need to essentially unlock your build as a game progressed. As fans had hoped, red dots are returning to the minimap to reveal nearby enemies firing unsuppressed guns. Finally, map voting is making a comeback as Modern Warfare 3 charts a course for that classic Call of Duty experience.

Speaking of nostalgia: all 16 launch maps from 2009's Modern Warfare 2 will be available in Modern Warfare 3 with the full remastered and "modernized" treatment. Oppositely, Modern Warfare 2 seems to be entering new territory with the "Open Combat" missions new