Orr reviews Iron Man 2. He thinks Downey was overshadowed by the suit:
[T]he movie gradually succumbs to the excesses that typically adhere to the genre: too many characters, too many storylines, too much CGI…Iron Man 2 is a perfectly diverting action film—particularly following the extreme clunkers of last season—but it's a reminder that Downey is at his best when given, as he was to a substantial degree last time out, a one-man show. I, for one, will keep my fingers crossed for … Man 3: Tony Stark Unplugged.
The Dish 