User blog comment:Master Sima Yi/Assassinews 08-02-'13 — Next game will be all new, plus DLC promotional material/@comment-77.45.54.119-20130214113918/@comment-5499105-20130218145632

Well, I think non-cannon stuffs is usually a way to show 'what could be' or 'what if...' So I reaaaaally see no problem with that.