User blog comment:Master Sima Yi/Assassinews 03-12-'14 — New Assassin's Creed in Victorian London leaked/@comment-5174994-20141227185002/@comment-3046679-20141228033807

A year in development is how. I don't buy that "it's been in production for years before" bullshit, because if you cross-reference it, some of the key people on the dev team would have to be absent from one project to work on the other, like the creative directors, or scriptwriters.