Big “Iron”: Marvel Launches Another Superhero at the Big Screen

Better than the average comic book-to-film adaptation, “Iron Man” fulfills all the criteria of the genre. From a slightly retooled origin story to a budding romance to a climactic showdown with an enemy who might once have been a friend, “Iron Man” connects all the dots. After the dust settles, a post-credit roll surprise virtually guarantees sequels and spin-offs.