The recent release of the book "Marvel Studios' The Marvel Cinematic Universe: An Official Timeline" requires a lot of analysis. Members of WikiProject:Timeline team are working on editing pages in response to the information revealed in the book. If you wish to contribute, please do not immediately edit these pages, and instead visit the Timeline Discussion.
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The Stark Expo is a huge exposition about Stark Industries and since Tony Stark had announced that he is Iron Man, is also about Iron Man. It is seen in Iron Man 2 (that i know of anyway).