You Don't Have to Sit Through the Whole Thing
The mysterious post-credits final scene in Iron Man didn’t screen for critics, which is one of the few times I can remember in which critics didn’t see the same film as regular theatrical audiences (Terrence Malick’s The New World screened in various versions, and critics who caught early shows of last year’s The Darjeeling Limited were treated to a pre-movie short film which put some of the events of the film in context). But since this is 2008, the scene is already up on YouTube, though for how long, who knows:
