User blog comment:Master Sima Yi/Assassinews 08-10-'13 — Freedom Cry trailer released/@comment-4999424-20131008195859/@comment-1379990-20131012044838

Didn't they say that they left out the crossbow as one of Altaïr's weapons, because it wasn't invented yet? But still, in the introduction trailer he wears and uses it. So does it still count as canon? It was used as an introduction in the game itself...