User blog comment:Sportsmaster1/Question/@comment-26555422-20170909013341

I'm not quite sure but it's confirmed in Agents of S.H.I.E.L.D. that Avengers took place in 2012. Glenn Talbot says in the episode A Fractured House: "Now, I was here in 2012 when the sky tore up and the Chitauri rained down on us."