Cinematics are very expensive, and explaining mechanics in a cinematic is probably a very bad idea, because gamers are used to cinematics that have characters do things which are impossible to do in the actual game. Gamers learn best by doing things themselves, not watching cinematics.
There will be some kind of introduction movie, though.
Educating players We played with the idea of a "Source Hunter's Academy" for a long time but it's going to be something better suited to the main storyline. At least, we'll try it. Also, do take into account that an intro is planned before the thing that happens on the beach.
