User blog comment:Crazy sam10/Black Ops 2 multiplayer changes leaked/@comment-90.206.229.174-20120610194907/@comment-1600240-20120610230117

I like how only now people complain about changes. CoD1, UO -> CoD2: Health regen, no 3rd weapon, grenade indicator. CoD2 -> CoD4 Perk system in multiplayer, attachments, camos.