The War for New York was a conflict between the Defenders and the Hand.
"Believe it or don't, the fact remains that the city you're sworn to protect is ground zero in a war it doesn't even know is happening, that hole is just the start. So you can kill, die or sit on your ass and watch Hell's Kitchen burn but this war is bigger than you or me or any of our problems."
"Those tremors that shook up the place, they're nothing compared to what comes next. The Hand's done it before. Pompeii, Chernobyl. Events the history books like to call catastrophes, just cover-ups. 'Cause New York is next. And the only thing keeping Manhattan from crumbling to a pile of dust... is the four of you."
"I know damn well what is happening here; I know too much. And next, they'll come after my family." "Who's "they"? Who do you think is after you?" "I can't tell you, I... This... this is not me. I'm a good man. Make sure you tell her that."
"I tried being a one-man army, and it failed. But this... This feels like something else is at work here. The four of us show up to fight a criminal organization at the same moment? How obvious does it have to be? This... This cannot be an accident."
"I know what you want, but you're not gonna get it. Because unlike you, my master taught me loyalty." "Ah, that's why you're still chained to your master. You're gonna fail here, just as you failed K'un-Lun. You should've heard the way they screamed when I killed them."