Looks like the Avengers sequel will be dropping on big screens in 2015 if the world still stands. Disney dropped an official statement from Marvel.
“Joss Whedon has signed an exclusive deal with Marvel Studios for film and television through the end of June 2015. As part of that deal, Whedon will write and direct Marvel’s The Avengers 2 as well as help develop a new live action series for Marvel Television at ABC. He will also contribute creatively to the next phase of Marvel’s cinematic universe.”
Iron Man 3 releases May 3, 2013, Thor: The Dark World on November 8, 2013, Captain America: The Winter Soldier on April 4, 2014 and Guardians of the Galaxy on August 1, 2014. The Avengers 2 will release in the summer of 2015. No news on Ant Man of A Hulk reboot.