You love ninjas, right?  Of course you do, because you love Batman and Wolverine and the hundreds of other superheroes who’ve studied with the hordes of ninjas roaming around the world.  Seriously, they’re everywhere – I don’t know how any politician or businessman makes it through a single day without a blowdart in the neck or ninja sword through the abdomen.  I’m not great at math, but did you know that comic book mysteries begin with ninja assassinations 100% of the time?  So Marvel has this great idea: instead of always having our superheroes go to Japan or another vague Asian country to fight ninjas – which take at least ten pages of airplane humor and a foiled terrorist attack – why not bring the ninjas to New York City?  Create an entire ninja society with appropriate architecture and culture smack dab in Hell’s Kitchen.  And these new New York-based…