"Avengers: Infinity Wars" offers a face-off between numerous villains against the heroes of the Earth. Several evil characters are believed to be playing a role in the two-part movie as well as a dark version of Earth's reliable superheroes - the "Dark Avengers."

Joss Whedon has already passed on the direction of the movie "Avengers: Infinity Wars" to the directing duo, Anthony and Joe Russo. He also hinted that Thanos is not the only villain to look forward to in the upcoming film. The possibility of Loki, the Red Skull and Ultron joining Thanos in his mission to conquer the universe is very imaginable and might actually happen in the MCU.

An evil version of the Avengers, the "Dark Avengers" is also expected to appear in the movie. A villain from the comic book, Eternity manages to create an interdimensional realm that creates evil doppelgangers of Earth's superheroes. With the aid of Magus, the evil persona of Adam Warlock, several sinister mirror images of the Earth's heroes will be coming to the planet to eliminate their doppelgangers one by one. A lot of fight scenes, battles and death is rumored to be completing the plot of the "Avengers: Infinity Wars" movie. Dr. Doom, the villain in the Fantastic Four universe is also expected to work with Thanos is this upcoming film.

It has always been rumored that the Marvel is currently stringing several movies in the Marvel Cinematic Universe to release a movie that will include all of its superhero characters. "Avengers: Infinity Wars" could include all of the notable Marvel movies in MCU since the superheroes will be facing the most powerful adversary that any of them could have ever faced.

Some of the notable heroes in the Marvel Cinematic Universe that could be included in the upcoming "Avengers: Infinity Wars" includes the heroes from, The Guardians of Galaxy, The Avengers, X-Men, Dr. Strange, Wonder Woman and the Fantastic Four. Adam Warlock, a superhero possessing a cosmic power beyond one's imagination, is also believed to be the significant character considering that he will be the herald of Thanos' death.

'I'm sure there'll be plenty more [villains] in the monstrous epic [Infinity Wars], because one thing Marvel doesn't do is string a story out into two movies that shouldn't be two movies. They'll give you two big movies. I feel like we got two movies in this one," Whedon revealed. With this confirmation, expect villains and heroes joining forces and battling against each other in this phenomenal movie.

The "Avengers: Infinity Wars" will arrive in theaters in May 4, 2018 and May 3, 2019 as a two part movie.