Question: When did Jon Favreau and Walt Disney Pictures release a film about a family visiting the park?
About the article "Magic Kingdom", section "Planned film".

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In 2010, director Jon Favreau and Walt Disney Pictures had a plan to produce and release a film concerning a family at Disneyland which finds the theme park characters and attractions coming to life.
Favreau, who said "the Disney iconography was probably the first set of archetypes that I was exposed to" and that Disney movies and attractions "made a deep impression on me as a child", noted that, "When I first heard about the ['Magic Kingdom' film] project, I was on my way to visit Disneyland with my family.
I took notes and had no problem filling a book with all the ideas that this concept offered, even on first blush.
"Marc Abraham and Eric Newman of Strike Entertainment were scheduled to produce the film.
Writer-producer Ronald D. Moore had previously written an original script for the project, which the studio eventually declined to use, stating that Favreau and a new screenwriter would develop a new script.
On June 20, 2011, novelist Michael Chabon signed on to write the film's script.
 "Toomai of the Elephants" was filmed as "Elephant Boy" (1937), starring Sabu Dastagir.
In the 1960s there was a television series of the same name, loosely based on the story and film.
"Jungle Book" (1942) – directed by Zoltán Korda, starring Sabu Dastagir as Mowgli.
"Rudyard Kipling's The Jungle Book" (1994) – starring Jason Scott Lee as Mowgli.
The second "Jungle Book" film produced by Disney. ""
(1997) – starring Jamie Williams as Mowgli. ""
(1998) – starring Brandon Baker as Mowgli.
"The Jungle Book", an adaptation that began production in September 2007 and continued for two years.
Walt Disney Pictures is working on another live-action "Jungle Book" film with Justin Marks penning the screenplay, Jon Favreau directing the film and Idris Elba cast as Shere Khan, set for a 2015 release.
Warner Bros. Pictures is also developing a live-action version with Steve Kloves writing and Andy Serkis set to direct.
Previously, Ron Howard was set to helm.  
Following the release of "Iron Man 2", a conflict between Paramount Pictures, which had distribution rights to certain Marvel properties, and The Walt Disney Company, Marvel Entertainment's new corporate parent, clouded the timing and the distribution arrangement of a possible third film.
On October 18, 2010, The Walt Disney Studios agreed to pay Paramount at least $115 million for the worldwide distribution rights to "Iron Man 3" and "The Avengers".
Disney, Marvel, and Paramount announced a May 3, 2013 release date for "Iron Man 3".
"Iron Man" and "Iron Man 2" director Jon Favreau said in December 2010 that he would not direct "Iron Man 3", opting to direct "Magic Kingdom" instead.
He remained an executive producer of director Joss Whedon's crossover film "The Avengers" and also served as an executive producer of "Iron Man 3".
In February 2011 Shane Black entered final negotiations to direct and write the screenplay.
In March it was announced that Black would have co-writer Drew Pearce, who Marvel had originally hired for a "Runaways" script, work with him.
Downey, who had previously starred in Black's film "Kiss Kiss Bang Bang", said, "Bringing in Shane Black to write and direct "Iron Man 3" to me is basically the only transition from Favreau to a 'next thing' that Favreau and the audience and Marvel and I could ever actually sign off on."
  Reissued as a Walt Disney Pictures release since 2005.  
This is a list of soundtracks to motion pictures released by Walt Disney Productions and Walt Disney Pictures according to release date, format, edition and record label.
The following soundtracks were released by Walt Disney Records, Hollywood Records, Buena Vista Records, Disneyland Records or non-Disney record labels.
This list does not include soundtrack releases from Disney's other films labels or Disney Channel Original Movies.