MCU Year: 2009
The movie starts us in the present in {Kunar Province, Afghanistan}
then it flashes back to Caesar's Palace, Las Vegas, Nevada, USA where Tony is being awarded an Apogee Award. The Apogee Awards are usually held in November irl.
A slideshow gives us a quick history of Tony Stark, most importantly with the first image {Jan. 2008}
that sets this movie after January 2008. This could mean it's November 2008 or the Apogees are held in a different month in the MCU.
Following images include voiceover telling us that Tony graduated from MIT when he was seventeen; below "he has won the fourth annual MIT Robot Design Award." There is no name tag on the bot, but it is either DUM-E or U.
YOU ARE READING
Marvel Cinematic Universe Timeline
Non-FictionWriting a fanfic? Want some accuracy? Here is a (mostly) headache free and reliable timeline of the MCU as well as chapters discussing specific movies and timeline controversies. Spoilers guaranteed. Best to read introduction before leaving comments...