Though a price, release date, and name for the upcoming Trine 2 expansion aren't being talked about yet, Frozenbyte does offer a short teaser trailer for your viewing pleasure. With so many of these things resorting to quick cuts and all-around hectic pacing, I appreciate the soothing nature of this video.
Why not call it downloadable content, instead of an expansion? According to the studio, it's a "proper" six-level campaign that includes new enemies and skills. Interestingly, these skills will be usable in the core game as well. They're also throwing in "small updates" and a new difficulty mode for good measure.