^^ I know someone personally who is in this problem that the topic starter has said.. Saying it on videos and documentaries isnt what real life is.
And yes they are not allowed to. Although few liberal do it in a try to make their partner converted to Ahmedi belief.
I happen to know a few too, and they weren't kicked out. LOL
I think in both cases it was a Sunni nikaah. But i can ask.
That's News to me, didn't know they have a different Nikah than other Muslims.