All of the Marvel films that lead up to The Avengers in 2012 are being followed closely while in development. Not only do they have to fit into the same world and mesh for The Avengers to work but every casting decision is crucial as they'll be involved with that picture as well. Up next is Iron Man 2 but others on the way include Thor which is scheduled to release on May 20th, 2011 and Captain America which will arrive on July 22nd, 2011. In their early stages some details are starting to m...