Question: When was the studio behind Guardians of the Galaxy Vol 2 bought by The Walt Disney Company?

Context paragraphs:
Marvel Studios: Marvel Studios, LLC (originally known as Marvel Films from 1993 to 1996) is an American motion picture studio based at The Walt Disney Studios in Burbank, California and is a subsidiary of Walt Disney Studios, itself a wholly owned division of The Walt Disney Company, with film producer Kevin Feige serving as president.  Previously, the studio was a subsidiary of Marvel Entertainment until The Walt Disney Company reorganized the companies in August 2015.

Walt Disney World Dolphin: The Walt Disney World Dolphin is a resort hotel designed by architect Michael Graves located between Epcot and Disney's Hollywood Studios in the Walt Disney World Resort in Bay Lake, Florida, next to Disney's BoardWalk Resort area.  It opened on June 1, 1990 and is joined to its sister hotel, the Walt Disney World Swan (also designed by Graves) by a palm-tree lined covered walkway crossing a lagoon.  The Walt Disney World Swan and Dolphin is a joint venture between the Walt Disney Company, Tishman Hotel Corporation, MetLife and Starwood Hotels and Resorts.  The land the resort occupies is owned by the Walt Disney Company, while the buildings themselves are leased by Disney to the Tishman Hotel Corporation and MetLife but operated by Starwood Hotels & Resorts Worldwide under the Sheraton Hotels brand.  The Walt Disney World Swan and Dolphin are a part of the Walt Disney Collection of resorts; because of this they are Disney branded and guests of the resort have access to special Disney benefits available to Disney Resort Hotel guests only.

Guardians of the Galaxy Vol. 2: Guardians of the Galaxy Vol.  2 is a 2017 American superhero film based on the Marvel Comics superhero team Guardians of the Galaxy, produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures.  It is the sequel to 2014's "Guardians of the Galaxy" and the fifteenth film in the Marvel Cinematic Universe.  The film is written and directed by James Gunn and stars an ensemble cast featuring Chris Pratt, Zoe Saldana, Dave Bautista, Vin Diesel, Bradley Cooper, Michael Rooker, Karen Gillan, Pom Klementieff, Elizabeth Debicki, Chris Sullivan, Sean Gunn, Sylvester Stallone, and Kurt Russell.  In "Guardians of the Galaxy Vol.  2", the Guardians travel throughout the cosmos as they help Peter Quill learn more about his mysterious parentage.

The Walt Disney Company Italy: The Walt Disney Company Italia S.r.l. (formerly called The Walt Disney Company Italia S.p.A) is The Walt Disney Company's Italian division and one of The Walt Disney Company's European divisions.  The company was founded on 8 May 1938 as Creazioni Walt Disney S.A.I.  The company owns and operates Disney Channel Italy, Disney in English, and more.  Comics are also published by the company as well.

Guardians of the Galaxy (film): Guardians of the Galaxy (retroactively referred to as Guardians of the Galaxy Vol.  1) is a 2014 American superhero film based on the Marvel Comics superhero team of the same name, produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures.  It is the tenth film in the Marvel Cinematic Universe.  The film was directed by James Gunn, who wrote the screenplay with Nicole Perlman, and features an ensemble cast including Chris Pratt, Zoe Saldana, Dave Bautista, Vin Diesel, Bradley Cooper, Lee Pace, Michael Rooker, Karen Gillan, Djimon Hounsou, John C. Reilly, Glenn Close, and Benicio del Toro.  In "Guardians of the Galaxy", Peter Quill forms an uneasy alliance with a group of extraterrestrial misfits who are fleeing after stealing a powerful artifact.

Guardians of the Galaxy Vol. 2 (soundtrack): Guardians of the Galaxy Vol.  2: Awesome Mix Vol.  2 (Original Motion Picture Soundtrack) is the soundtrack album for the Marvel Studios film "Guardians of the Galaxy Vol.  2".  Featuring the songs present on Peter Quill's mixtape in the film, the album was released by Hollywood Records on April 21, 2017.  A separate film score album, Guardians of the Galaxy Vol.  2 (Original Score), composed by Tyler Bates, was also released by Hollywood Records on the same date.

The Walt Disney Company France: The Walt Disney Company France, formerly Buena Vista International France, is one of The Walt Disney Company's international divisions and also European divisions.  The Walt Disney Company France is headquartered in Paris, the capital of France.  The company owns and operates French versions of Disney Channel, Disney XD, Playhouse Disney, and Disney Cinemagic (which became Disney Cinema in May of 2015) .  Jean-François Camilleri is head of the company.  The Walt Disney Company France also produces content as well with other media companies.

Gamora: Gamora Zen Whoberi Ben Titan ( ) is a fictional character appearing in American comic books published by Marvel Comics.  Created by Jim Starlin, the character first appeared in "Strange Tales" #180 (June 1975).  Gamora is the adopted daughter of Thanos, and the last of her species.  Her powers include superhuman strength and agility and an accelerated healing factor.  She also is an elite combatant, being able to best most of the opponents in the galaxy.  She is a member of the group known as the Infinity Watch.  The character played a role in the 2007 crossover comic book event "", and became a member of the titular team in its spin-off comic, "Guardians of the Galaxy".  She has been featured in a variety of associated Marvel merchandise.  Zoe Saldana plays the character in the 2014 live-action film "Guardians of the Galaxy" and its sequel "Guardians of the Galaxy Vol.  2".

Walt Disney World Swan: The Walt Disney World Swan is a resort hotel designed by architect Michael Graves located between Epcot and Disney's Hollywood Studios behind Disney's BoardWalk Resort and across from its sister resort, the Walt Disney World Dolphin.  The Swan, which opened January 13, 1990 on Disney property, is a joint venture between the Walt Disney Company, Tishman Hotel Corporation, MetLife and Starwood Hotels and Resorts.  The land the resort occupies is owned by the Walt Disney Company, while the buildings themselves are leased by Disney to the Tishman Hotel Corporation and MetLife and operated by Starwood Hotels & Resorts Worldwide under the Westin brand.  The Walt Disney World Swan and Dolphin are a part of the Walt Disney Collection of resorts, because of this they are Disney branded and guests of the resort have access to special Disney benefits available to Disney Resort Hotel guests only.

Guardians of the Galaxy (Epcot Attraction): Guardians of the Galaxy is an upcoming attraction to be built at Epcot within the Walt Disney World Resort.  It will be the third attraction based on a Marvel Comics property at Walt Disney Parks and Resorts after the Iron Man Experience at Hong Kong Disneyland and at Disney California Adventure.  It will be the second attraction based on Marvel's "Guardians of the Galaxy" to be built at a Disney theme park and is also the first Marvel-themed attraction to be built at Walt Disney World.  It will replace the Universe of Energy pavilion, which closed on August 13, 2017.

Supporting paragraphs: Guardians of the Galaxy Vol. 2 Marvel Studios
Answer: August 2015