'ONE OF THE BEST ... SUPERHERO MOVIES.' The Sun-Times' Richard Roeper credits Robert Downey Jr. for "a performance that should earn awards consideration."
'SCREWBALL COMEDY TRAPPED IN THE BODY OF A SUPERHERO ACTION FILM.' Slate's Dana Stevens says to stick around through the end of the credits.
'VAGUELY SECOND-HAND.' The Tribune's Michael Phillips gives it 2 1/2 stars.
Marvel's official history of Iron Man, 1963-present.