Best part is that marketing loves this shit. Rule #1 of creating entertainment properties is to constantly leave people wanting more. This is why so many games have so many endings, have cliffhangers, and now have cross-media promotions that are becoming increasingly necessary just to follow what's going on - they want you to buy everything, always dangling a sense of closure just out of reach but never giving it to you. This is why at bare minimum most game franchises are conceptualized as trilogies now, with further opportunities in the same universe still ready to be explored. But in the meantime, hey, here's some additional novels, comic books, breakfast cereal, action figures, even a feature film to keep you salivating.