Universal Pictures and Marvel Entertainment present a Marvel Studios production ; a Valhalla Motion Pictures production ; produced by Avi Arad, Gale Anne Hurd, Kevin Feige ; screen story and screenplay by Zak Penn ; directed by Louis Leterrier
Columbia Pictures ; a Marvel Studios, Laura Ziskin production ; produced by Laura Ziskin, Avi Arad, Grant Curtis ; screen story by Sam Raimi & Ivan Raimi ; screenplay by Sam Raimi & Ivan Raimi and Alvin Sargent ; directed by Sam Raimi