• 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 Quicksilver's possible return in Marvel Cinematic Universe and new Marvel worlds to be introduce in the sequel.

It seems that "Avengers: Infinity War" will introduce new worlds in the Marvel Cinematic Universe as production designer Charles Wood told ComicBook about his excitement and "terror" he will be facing in making the production set of the new "Avengers" film.

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Wood added that audiences and Marvel fans will be seeing "many, many, many worlds" in the film. While it is unknown yet which world will the Avengers and their allies end up in "Infinity War", movie goers and audiences will expect many MCU characters in sequel such as the original Avengers members Iron Man (Robert Downey Jr.), Captain America (Chris Evans), Thor (Chris Hemsworth), The Hulk (Mark Ruffalo), Black Widow (Scarlett Johansson) and Hawkeye (Jeremy Renner). The new members Falcon (Anthony Mackie), Scarlet Witch (Elizabeth Olsen), and Vision (Paul Bettany).

"Avengers: Infinity War" will also add Doctor Stephen Strange (Benedict Cumberbatch), Black Panther (Chadwick Boseman), Spider-Man (Tom Holland), Captain Marvel (Brie Larson) and the Guardians of the Galaxy.

In other news, rumors are making rounds regarding the possible return of Quicksilver (Aaron Taylor-Johnson) into the MCU.

Several theories about Pietro's return in the MCU has been hinted in "Avengers: Infinity War", some these theories include flashback, a vision in the future instalment in the MCU, Time travel and even a resurrection via Infinity Stone, Screenrant reported.

Quicksilver's return to the MCU could open potential storytelling intriguing, long-lived, and well-connected character in the Marvel universe, one who has had more than his fair share of loves, losses, and key interactions with all the other characters from the X-Men to the Avengers to, most recently, the Inhumans.

Previous reports revealed that "Game of Thrones" star Peter Dinklage has been added to the MCU and will have an important role in "Avengers: Infinity War".

It is unknown yet what kind of role will Dinklage play in the "Avengers" sequel, but this is not the first time he played a Marvel character as Dinklage portrayed the role of scientist and Sentinel creator Dr. Bolivar Trask from "X-Men: Days of Future Past" and is the second person to have played two different Marvel Characters from two different studios namely Fox and Marvel Studios, with Chris Evans being the first from Johnny Storm/Human Torch in the "Fantastic Four" and Steve Rogers/Captain America in the "Captain America" and "Avengers" films.

Several theories hinted that Dinklage Marvel character could be MODOK, Pip the Troll and even Eitri, the King of the Dwarves.

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