Originally Posted by DigificWriter
You don't need to devote that much time to setting things up, though. If Jason Flemyng is coming back, which I think he himself may have confirmed, you can very easily establish that Aezael and Mytstique are close, and then use dialogue to set up the idea that Mystique might be pregnant. General audiences might not make the connection between Mystique, Aezael, and Nightcrawler at first, but it wouldn't take too much to at least lay the groundwork for acknowledging the comic connections between the three characters.
They can do that but its not really necessary to the story. Whats the point of Mystique/Azazel having a child?