Iron Man 3 is coming in 2013 and is going to be released by Walt Disney Pictures.
'Iron Man 3' to Launch Summer 2013 - Box Office Mojo
Tony Stark's sticking to the first weekend of the summer with his third solo adventure, but his iron will be cooled by a longer wait. Distributor Walt Disney Pictures announced today that Iron Man 3 will launch May 3, 2013.
The first official release of Summer 2013, Iron Man 3, will arrive three years after its predecessor, though only two years separated Iron Man 2 from the first Iron Man. That pattern is similar to the first three Spider-Man movies. However, Tony Stark will be on screen a year earlier as part of the ensemble of The Avengers, which is scheduled for May 4, 2012, and there's a good chance the character will have cameos in the other Marvel Comics adaptations leading up to that release (Thor, Captain America: The First Avenger) as he did in The Incredible Hulk.
Disney will also replace Paramount as distributor on The Avengers, stemming from the studio's recent acquisition of Marvel.