you cannot upgrade the Zeus canonn because the Zeus cannon is the upgraded version of the thunder gun and you cant upgrade a gun twice
There is the Thundergun(Upgraded is Zeus Cannon) and a new freeze gun, a.k.a. death to zombies I don't know too much about it.
you go to the grand cannon
The call of duty world at war is not a prequel to call of duty black opst.
call of duty black ops
it is called call of duty black ops.
Spunk cannon
Call of Duty: Black Ops was made by Treyarch
the call of duty games for wii are call of duty world at war,call of duty modern warefare and call of duty black ops
that is a matter of opinion. i personally think that black ops is the third best call of duty, after call of duty 4 and call of duty finest hour. but i would definitely get black ops over call of duty 5. black ops get a thumbs up from me.
there is its called call of duty black ops
Call of Duty Black Ops.
they are makeing a call of duty about Vietnam but its not called call of duty Vietnam its called call of duty black ops and black ops is a special operation in Vietnam