User blog comment:Damac1214/Back in Black - Call of Duty: Black Ops III teased, reveal trailer coming April 26th/@comment-3171236-20150410061314/@comment-356904-20150410195112

Charybdis is explicitly a find and terminate mission though, a la Apocalypse Now.

So if the CIA has burned Mason and wants him dead I don't understand why he'd still be working for them.