The “leaked Ubisoft trailer” inside Watch Dogs 2 is for a real sci-fi game called (or code-named) Pioneer, sources say. But Pioneer is running into troubled development and may not be announced as soon as Ubisoft had originally planned—if it comes out at all.
Source: Kotaku – Sources: Ubisoft’s Watch Dogs 2 Teaser Is A Real Sci-Fi Game — But It’s In Trouble