Following the events of "The Avengers," Cap is working alongside the Black Widow (Scarlett Johansson) in the new adventures, but we also see Nick Fury (Samuel L. Jackson) -- along with Anthony Mackie as The Falcon, Robert Redford playing a shadowy SHIELD leader Alexander Pierce and Sebastian Stan as
Interesting to note that the trailer begins with Stever Rogers in his new duds before he dons his old costume again (which confirms some previous rumors), and it looks as if he's as much fighting the establishment of SHIELD as much as other threats.