User blog comment:Master Sima Yi/Assassinews 05-08-'14 – Assassin's Creed: Rogue announced/@comment-4254431-20141105172524/@comment-13471981-20141105181952

Did you even watch the trailer anon? It explicitly states that here will be multiple time anomalies, all of which will transport Arno to a different era, though the locale will still be Paris.