It seems that another ‘Look and Find’ children’s book have possibly confirmed some speculation about Max von Sydows character.
http://www.starwarsnewsnet.com/2015/11/new-image-with-finn-and-an-illustration-with-max-von-sydows-character-from-the-force-awakens-revealed-by-books.html

It seems that Poe will meet with him at the beginning of the film during the First Order raid that we’ve seen so much of in the trailers so far. And it does seem like he’ll have a pretty small part in the film; that is unless he survives and shows up later

This is also kind of interesting;
http://www.starwarsnewsnet.com/2015/11/a-special-first-look-at-star-wars-the-force-awakens-this-thursday-night-on-abc.html