There are 512 titles in MW3.
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.
The predator missile is not included in MW3 for Wii.
Yes it does.
SEMTEX
No. MW3 Survival only supports 2 players at a time.
By Completing challenges
yes you can 1 friend with you on survival
No
I believe it is level 50
you cant sorry
There are unlimited waves on survival mode.