That sounds about right.
Oh and as for 3 I just finished the mission where you find out that Haytham has actually been a Templar all along. What a twist!
And I'm still only controlling child Connor, ffs. 2 did this whole origin story shit with Ezio as well, where you were prancing around in his civilian clothes, but at least it didn't take him 5 billion years to get his gear.