After the final credits rolled, and I staggered toward the exit, the booms of explosions still ringing in my ears, I wondered what I could possibly divulge that would spoil the pleasure of an innocent ticket buyer.
Right before I saw “Iron Man 3,” a publicist implored the several hundred attendees - professionals and civilians jammed into a multiplex box and throbbing with excitement - not to reveal any crucial information about the movie to anyone else.
