These match up with some of the rumors we have been hearing from Tastytaste on Allies for the next addition, and I for one have been excited with the possibility of running my Imperial Guard with assassins again.
Here is a link to the full document. It is a Warhammer World document for doubles games. One thing to note as well is that the missions have some new ideas thrown in there. They really are not that new, but I am hoping for a better mission system in 6th, and this could be a start of a preview for us.
Here is a link to the full Document. Allies are on page 6.
Warhammer World Doubles Pack