<P> Additionally, several other actors reprise their MCU roles: Danai Gurira as Okoye, the head of the Dora Milaje; Letitia Wright as T'Challa's sister Shuri; William Hurt as Thaddeus Ross, the U.S. Secretary of State; Kerry Condon as the voice of Stark's A.I. F.R.I.D.A.Y.; Winston Duke as M'Baku, the leader of Wakanda's mountain tribe the Jabari; Florence Kasumba as Ayo, a member of the Dora Milaje; Jacob Batalon as Parker's friend Ned; Isabella Amara as Parker's classmate Sally; Tiffany Espensen as Parker's classmate Cindy; and Ethan Dizon as Parker's classmate Tiny . Samuel L. Jackson and Cobie Smulders make uncredited cameos as Nick Fury and Maria Hill, the former director and deputy director of S.H.I.E.L.D, respectively, in the film's post-credits scene . </P> <P> Thanos' henchmen, known collectively in the comics as the Black Order and in the film as the "Children of Thanos", include Terry Notary as Cull Obsidian, Tom Vaughan - Lawlor as Ebony Maw, Carrie Coon as Proxima Midnight, and Michael James Shaw as Corvus Glaive . The foursome provided voices and motion - capture performances on set for their characters . As Coon was pregnant during filming, she mainly did facial capture for Proxima Midnight with some motion - capture, with stuntwoman Monique Ganderton standing - in and providing the rest on set . Ross Marquand portrays Johann Schmidt / Red Skull, the "Stonekeeper" and former Nazi commander of Hydra during World War II . Marquand replaces Hugo Weaving, who had expressed reluctance to reprise the character from Captain America: The First Avenger . Avengers co-creator Stan Lee makes a cameo appearance in the film as Parker's school bus driver, while screenwriter Stephen McFeely cameos as Secretary Ross's aide . Kenneth Branagh, the director of Thor, voices an Asgardian distress caller in an uncredited cameo . David Cross was invited to make a cameo appearance as Tobias Fünke, his character from the sitcom Arrested Development, which the Russo brothers had previously worked on; this was prevented by a scheduling conflict, but Fünke still appears in the film as a specimen in the Collector's collection, played by an uncredited extra . Jon Favreau was to reprise his role as Happy Hogan, but his scene did not make the theatrical cut of the film . </P> <P> In October 2014, Marvel announced a two - part sequel to Avengers: Age of Ultron, titled Avengers: Infinity War . Part 1 was scheduled to be released on May 4, 2018, with Part 2 scheduled for May 3, 2019 . In April 2015, Marvel announced that Anthony and Joe Russo would direct both parts of Avengers: Infinity War, with back - to - back filming expected to begin in 2016 . The same month, Kevin Feige said that the Infinity War films would be two distinct films "because they (have) such shared elements, it felt appropriate...to (subtitle the films) like that . But I wouldn't call it one story that's cut in half . I would say it's going to be two distinct movies ." By May 2015, Christopher Markus and Stephen McFeely had signed on to write the screenplays for both parts of the film, which draws inspiration from Jim Starlin's 1991 "The Infinity Gauntlet" comic and Jonathan Hickman's 2013 "Infinity" comic . Anthony Russo added the film was inspired by 1990s heist films, with Thanos "on a smash - and - grab (to acquire the Infinity Stones), and everybody's trying to catch up the whole movie". In May 2016, the Russos revealed that they would retitle the two films, to further remove the misconception that they were one large film split in two, with Joe stating, "The intention is we will change (the titles), we just haven't come up with (them) yet ." That July, Marvel revealed the film's title would be shortened to simply Avengers: Infinity War . </P> <P> Principal photography began on January 23, 2017, under the working title Mary Lou, at Pinewood Atlanta Studios in Fayette County, Georgia, with Trent Opaloch as director of photography . Infinity War, along with its sequel, were shot using IMAX / Arri 2D cameras, thus marking the first time that a Hollywood feature film was shot entirely with IMAX digital cameras . In early February, Marvel confirmed the involvement of Robert Downey Jr. as Tony Stark / Iron Man, Chris Pratt as Peter Quill / Star - Lord, and Tom Holland as Peter Parker / Spider - Man in the film . Additional filming took place in Scotland beginning in February 2017 . The filming occurred in Edinburgh, Glasgow and the Scottish Highlands, with studio work taking place at Wardpark Studios in Cumbernauld . Filming also began at Durham Cathedral in Durham, England in early May 2017 . In late June 2017, filming occurred in Downtown Atlanta, as well as Atlanta's Central Park in early July, before moving to Queens, New York in the middle of the month . Filming concluded on July 14, 2017 . For the film's final scene, where Thanos emerges healed in a nipa hut, the filmmakers partnered with Indochina Productions, a studio based in Thailand, to acquire footage of the Banaue Rice Terraces at Ifugao, Philippines . </P>

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