A golden title witch is 1,000 headshots with any weapen or the over achiever witch is 3 stars in ever special ops mission
The red scope title in MW3 is not the current title used on the game. Currently there is not a way to get that type of title but it may be unlocked in the future.
To get the title 'toxic'in mw3 you must be killed by an enemy MOAB. A MOAB is a giant bomb you get in mw3 for getting a 25 kill streak. Or 24 if you are using the perk Hardline
A title called 'flyswatter'
You Hack
Avenge a fallen teamate
the ~AussiePride~ title you get it buy joining the clan Aus~ on elite
The hardest title to get without boosting is probably 1000 head shots with the intervention.Hope I helped Please recommend me
Reach 1st prestige level 65
Reach Wave 15 on all the Special Ops Survival Maps. For future reference, there are lots of MW3 Title and Emblem Guides online that show all the Titles and Emblems, and explain how to earn them.
Get 3 kills in one life with your secondary weapon
Get a game winning killcam with a sentry gun
Win 15 search and destroy matches