Green Lantern is a 2011 superhero film based on the DC Comics character of the same name. The film stars Ryan Reynolds, Blake Lively, Peter Sarsgaard, Mark Strong, Angela Bassett and Tim Robbins, with Martin Campbell directing a script by Greg Berlanti and comic book writers Michael Green and Marc Guggenheim, which was subsequently rewritten by Michael Goldenberg. Green Lantern tells the story of Hal Jordan, a test pilot who is selected to become the first human member of the Green Lantern Corps and given a ring that grants him superpowers after a new enemy called Parallax threatens to destroy the balance of power in the universe.
The film first entered development in 1997 as a vehicle for writer/director Kevin Smith and went through various incarnations until Greg Berlanti was hired to write and direct in October 2007. Martin Campbell was brought on board in February 2009 after Berlanti was forced to vacate the director's position. Most of the live-action actors were cast between July 2009 and February 2010 and filming took place from March 2010 to August 2010 in Louisiana. The film was converted to 3D in post-production.
Green Lantern was released on June 17, 2011. The film received generally unfavorable reviews from critics and underperformed at the box office according to analysts.