Marvel, though, has a lot up its sleeve in the intervening time, with "Iron Man 3" (May 3, 2013), "Thor: The Dark World" (Nov. 8, 2013), "Captain America: The Winter Soldier" (April 4, 2014), and "Guardians of the Galaxy" (Aug. 1, 2014) all preceding it.
In addition, frequent Whedon collaborators Jeffrey Bell, Maurissa Tancharoen and Jed Whedon (Joss' brother) are set to be the showrunners of ABC's upcoming "S.H.I.E.L.D.," assuming Whedon's pilot -- currently in preparation for filming -- goes to series. Whedon will executive produce the series.
Marvel Studios' "The Avengers 2," still without an official title, will hit theaters on May 1, 2015. The cast is still unconfirmed, but is expected to include the super-hero stars from the first movie: Robert Downey, Jr. (Iron Man), Chris Hemsworth (Thor), Chris Evans (Captain America), Jeremy Renner (Hawkeye), Mark Ruffalo (The Hulk), Scarlett Johansson (The Black Widow) and Samuel L. Jackson (Nick Fury).
It will probably also include Cobie Smulders (Agent Maria Hill) and possibly even Clark Gregg (Agent Phil Coulson), who has been confirmed to appear in the S.H.I.E.L.D. series, despite appearing to die in "The Avengers."