<P> In August 2017, Marvel partnered with car manufacturer Renault on a commercial supporting the release of the Kwid in Brazil . Directed by Jonathan Gurvit and shot in São Paulo, it features the Hulk destroying a satellite headed towards the city . Framestore worked on visual effects for the commercial, building on the foundation they had from working on the character in previous films . Also in August, Marvel, in partnership with Dolby Laboratories, Synchrony Bank, American Association for the Advancement of Science (AAAS), Broadcom Masters, and Society for Science & the Public, announced the "Superpower of STEM Challenge", aimed at females aged 15 through 18 in STEM (Science, Technology, Engineering, and Mathematics education) fields, to "create an original Do - It - Yourself project that can be replicated by others" and "help their family, community or the world be safer, healthier or happier". Five winners would attend the film's world premiere, receive a tour of Walt Disney Studios, and a $500 saving account from Synchrony Bank, with one grand prize winner attending "an immersive three - day mentorship in New York City with Disney Imagineering" to create a "professional - level video teaching other young people how to recreate" their winning project . They were also given the opportunity to demonstrate the project on Good Morning America . </P> <P> For the week of August 21, Ragnarok once again had the most social media conversations according to comScore and its PreAct service . New clips of Thor and Hulk fighting, released on the same day as the Floyd Mayweather Jr. vs. Conor McGregor fight, helped generate the 57,000 new conversations for the week . From September 25 to October 15, Ragnarok had the second-most social media conversations according to the service, and was once again first for the week of October 16 following the release of extended clips and plot details . Beginning October 6, 2017, Disney California Adventure showed a sneak peek of the film at the Sunset Showcase Theater in Hollywood Land, presented in 3D with "special in - theater effects". Ahead of the United States release of the film, Hemsworth, Hiddleston, Blanchett, Goldblum, Ruffalo, and Thompson appeared with James Corden on The Late Late Show with James Corden to present a "4D" version of the film, which was actually a stage play . The cast performed various scenes from the film live in low - budget costumes and with cardboard stage props . Additional promotional partners of the film included Red Robin, United Healthcare, and Screenvision Media . </P> <P> Thor: Ragnarok was released on digital download by Walt Disney Studios Home Entertainment on February 20, 2018, and on Ultra HD Blu - ray, Blu - ray, DVD and On - Demand on March 6 . The digital and Blu - ray releases include behind - the - scenes featurettes; audio commentary; deleted scenes; a blooper reel; and Team Darryl, a continuation of the "mockumentary" short films Team Thor and Team Thor: Part 2, in which the Grandmaster moves in with Darryl after Thor leaves . In one of the deleted scenes, Michael Rooker makes an appearance as Yondu, reprising the role from the first two Guardians of the Galaxy films . James Gunn, writer and director of the Guardians films, clarified that the appearance of Yondu was never meant to appear in the final film, and that Rooker was on a nearby set recording material for the Halloween variant of the theme park attraction Guardians of the Galaxy--Mission: Breakout! and decided to stop by the Ragnarok set "to goof around". </P> <P> The film debuted at number one on the NPD VideoScan overall disc sales chart during its first week of release, which tracks combined DVD and Blu - ray disc unit sales, and a dedicated Blu - ray disc sales chart . Blu - ray accounted for 83% of unit sales, with 11% coming from Ultra HD Blu - ray . Thor: Ragnarok also debuted second on the Media Play News rental chart behind Coco . In its second week, the film fell to number two on the NPD VideoScan chart, coming in behind Justice League, but rose to number one on the Media Play News rental chart . </P>

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