User blog comment:Master Sima Yi/Assassinews 03-03-'13 — Assassin's Creed IV: Black Flag trailer and screenshots/@comment-99.140.104.169-20130313065440/@comment-5174994-20130313200448

The rope-dart is back, Fairy. Sorry I don't have a source, but I read it in an article. I'm pretty sure it was a statement by Ubisoft as well.