• Avengers: Infinity War is a two-part superhero film directed by Anthony and Joe Russo as part of phase 3 in the Marvel Cinematic Universe.

Avengers: Infinity War is a two-part superhero film directed by Anthony and Joe Russo as part of phase 3 in the Marvel Cinematic Universe. (Photo : Facebook/Marvel)

The latest details and spoilers for "Avengers: Infinity War" will feature Thanos having the Soul Stone and the Kree added to the sequel.

It seems that a new casting call for "Avengers: Infinity War" will feature "aliens" as Project Casting is looking for both men and women who appear to be between 18 and 50 to play aliens for a “fun background role” in the film. The actors specifically need to be tall, and have a slender or athletic build. All ethnicities are encouraged to apply, though makeup and prosthetics will be used to create the alien look.

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The actors must be comfortable being "painted" as a requirement from face to any exposed body parts and are willing to have prosthetic. Filming is tentatively scheduled for April 5 and May 30. They must be available for both days with no conflicts, so having an open and flexible schedule will be needed for multiple wardrobe fittings and makeup tests prior to the film dates.

It is unknown yet what kind of alien race will the extras play in "Avengers: Infinity War", but several fans theorized that this could be the Kree, while others claim that this alien race will be Thano's (Josh Brolin) personal army to invade earth.

In other news, it seems that Thanos will gain possession of the Soul Stone by the end of "Thor: Ragnarok" as Loki (Tom Hiddleston) was able to acquire the Infinity Stone and deliver it to the Mad Titan in exchange for sparring him.

It is speculated that Heimdall (Idris Alba) had the Soul Stone and it was the key save Thor's (Chris Hemsworth) home world of Asgard from Ragnarok, ScreenGeek reported.

Previous reports revealed Carol Danvers/Captain Marvel (Brie Larson, T'Challa/Black Panther (Chadwick Boseman), Scott Lang/Ant-Man (Paul Rudd) and Nebula (Karen Gillan). Other returning characters include the main Avengers team of Tony Stark/Iron Man (Robert Downey Jr.), Steve Rogers/Captain America (Chris Evans), Thor, Bruce Banner/The Hulk (Mark Rufffalo), Natasha Romanov/Black Widow (Scarlett Johansson) and Clin Burton/Hawkeye (Jeremy Renner).

The Avengers will have help from the Guardians of the Galaxy and Doctot Stephen Strange (Benedict Cumberbatch) to battle Thanos and the Infinity Stones.

"Avengers: Infinity War" is slated to be release on May 4, 2018, while the fourth film is scheduled on May 3, 2019.