Short answers, pulled from the story.
The six films in the phase are Iron Man 3, Thor: The Dark World, Captain America: The Winter Soldier, Guardians of the Galaxy, Avengers: Age of Ultron, and Ant-Man. Kevin Feige announced this lineup at San Diego Comic-Con in July 2012.
Phase Two began with the release of Iron Man 3 in May 2013 and concluded with the theatrical release of Ant-Man in 2015. Filming for the final film started in August 2014 and wrapped by December 2014.
Joss Whedon signed an exclusive contract with Marvel Studios in August 2012 through June 2015 to direct Avengers: Age of Ultron while consulting on all other films. Shane Black co-wrote Iron Man 3, Alan Taylor directed Thor: The Dark World, and the Russo brothers took over directing duties for Captain America: The Winter Soldier.
The six films collectively grossed over one billion dollars at the international box office with Avengers: Age of Ultron earning $1,405,018,048 total revenue. Iron Man 3 ranked as the 39th highest-grossing film of all time upon release while Ant-Man finished at 283rd place among all-time theatrical releases.
The films received four Academy Award nominations and three BAFTA Award nominations alongside one Grammy Award win. Saturn Awards recognized the franchise with forty nominations resulting in nine wins for various categories including Hugo Awards and MTV Movie & TV Awards.