Movie fans have been waiting for this weekend since May 2, 2008. That's the day
Jon Favreau's
iron man was released and, after the credits,
Samuel L. Jackson showed up as Nick Fury, asking Tony Stark about
The Avengers. Four movies of set up and introduction later,
The Avengers is finally out on Friday. It's the culmination of four year's worth of intricate layering by all the people who made the
iron man films,
...