So an update. EA Support couldn't fix the issue, just said make a post here which of course I have done. BUT I did start a fresh campaign file and I did the first 5 missions again but when I have revisited mission select it still only shows the first 3, god dammit EA.
I doubt EA Support get a lot of tools to work with. If something is really not working, which this looks like, one of the only ways to get it in front the devs' eyeballs is to post here, which you've done, and reply back to CS, in a very friendly manner, and explain clearly, again, what the issue is, what you've tried, and what's not working.
