<P> Later in July 2017, Joe Russo stated there were a couple of unfinished scenes for Infinity War that would be shot "in the next few months". In early March 2018, Disney moved the release of Infinity War in the United States to April 27, 2018, to have it be released the same weekend as some of its international markets . Visual effects for the film were created by Industrial Light & Magic, Framestore, Method Studios, Weta Digital, Double Negative, Cinesite, Digital Domain, Rise, Lola VFX, and Perception . With an estimated budget in the range of $316--400 million, it is one of the most expensive films ever made . </P> <P> In June 2016, Alan Silvestri, who composed the score for The Avengers, was revealed to be returning to score both Infinity War and its sequel . Silvestri started to record his score in January 2018, and concluded in late March . Silvestri felt working on the film "was a really different experience than anything I'd done before, especially in regard to the approach and balancing quick shifts in tone". Ludwig Göransson's theme from Black Panther is also used in the film . Hollywood Records and Marvel Music released the soundtrack album digitally on April 27, 2018, with a release on physical formats following on May 18 . Two versions were released, a regular and deluxe edition, with the deluxe edition featuring some extended and additional tracks . </P> <P> Avengers: Infinity War held its world premiere at the Dolby Theatre in Los Angeles on April 23, 2018, screening also at the adjacent El Capitan Theatre and Grauman's Chinese Theatre . It was released in most countries worldwide, including the United States, on April 27, 2018, with a few debuts beginning as early as April 25, and was shown in IMAX and 3D on select screens . In the United States, the film opened in 4,474 theaters, 408 of which were IMAX; this was the widest release for a Disney title ever and the second - widest ever after Despicable Me 3's 4,529 theaters . Three of AMC Theatres' locations screened the film for 24 hours straight, with 53 of their locations having showtimes at either 2 am or 3 am to accommodate demand . In India, the film had the biggest release ever for a Hollywood film, opening on nearly 2,000 screens in four languages . The film also screened in 515 4DX theaters in 59 countries . It was originally scheduled to be released on May 4, 2018 in the United States . The Chinese release of the film, which opened on May 11, 2018, was originally scheduled to end on June 10, 2018, but was granted a "rare" extension of 30 days, to end on July 9, 2018 . </P> <P> Select footage from the film was screened around various cities during the film's press tour in early April, ahead of the film's Los Angeles premiere . The Russos noted that only a limited amount of the film would be shown at these screenings to reduce the chance of spoilers being leaked . Adam Chitwood of Collider commented that this was "highly unusual as most Marvel movies are screened in their entirety for press about a month before they hit theaters". Ahead of the United States release, AMC Theatres in New York City and Orlando, Florida aired an eleven - MCU film marathon beginning on April 25, leading to a screening of Infinity War . The El Capitan Theatre in Los Angeles also had a similar marathon ahead of the film's release . </P>

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