One of the big things that made me jump on board was the casting. Robert Downey Jr., Chris Hemsworth, Scarlett Johansson, Chris Evans and Samuel L. Jackson were already on board. These are all actors who audiences got to see in movies of their own. In ‘Marvel’s The Avengers,’ they get to see them interact with each other. Everyone is so good that this film is going to be unbearable to edit. All of the actors came to me with an extraordinarily positive attitude. Not just about the project, but about each other. All of the conflict that we create amongst The Avengers is acting, because these guys are really rooting for each other and helping each other. - Joss Whedon on The Avengers cast
(Source: levegianis, via waltzchristophs)