• Thor: Ragnarok is the third installment of the Thor movies as part of Phase 3 in the Marvel Cinematic Universe produced by Kevin Feige and Marvel Studios

Thor: Ragnarok is the third installment of the Thor movies as part of Phase 3 in the Marvel Cinematic Universe produced by Kevin Feige and Marvel Studios (Photo : Facebook)

The latest details and spoilers for "Thor: Ragnarok" will feature the possible appearance of the Guardians of the Galaxy and one main character has the Soul Stone.

Several rumors are making rounds regarding Thor (Chris Hemsworth) and Hulk (Mark Ruffalo) meeting with the Guardians of the Galaxy during the events of "Thor: Ragnarok". Majority of the film will take place outside of earth as the God of Thunder ends up in a gladiator arena on an unknown planet contested by the Grandmaster (Jeff Goldblum).

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Thor is forced to fight his Avengers teammate Hulk who wears a gladiator attire similar to "Planet Hulk". It is unknown yet as to how Hulk ended up being captured by the Grandmaster, but as the course of the film goes further, both Thor and Hulk might bump into the Guardians of the Galaxy at some point travelling to different planets along the way, MovieNewsGuide reported.

The galactic heroes will return in "Guardians of the Galaxy Vol. 2" next year and will team-up with the Avengers to fight Thanos (Josh Brolin) in "Avengers: Infinity War", even teasing a fight between Hulk and Groot (Vin Diesel).

In other news, the possible location of the last Infinity Stone might be in possession of a major character in "Thor: Ragnarok".

Moviepilot creator Michael Eldred created the T.H.A.N.O.S. theory, which speculated the locations of each Infinity Stones in the Marvel Cinematic Universe, and it appears that theory has some how became plausible after the events of "Doctor Strange" film.

The letter "N" in the theory stands for Necklace which purtains to the Time Stone as the Eye of Agamotto in "Doctor Strange". The rest of the letters refer to the Tesseract (Space Stone), Aether (Reality Stone), the Ord (Power Stone) and Loki's Scepter (Mind Stone).

All that remains is the letter "H" which points out were the Soul Stone is located and it theorized before that Hela, the Goddess of Hel (Cate Blanchett) has it, while others speculate that the stone is inside Thor's hammer Mjolnir, which fits since H could be "Hammer".

However, a new evidence for the Soul Stone has been revealed online that the Asgardian gatekeeper Heimdall (Idris Elba) is secretly holding the Soul Stone due to the idea that his eyes are a similar color to the stone, and his power to see all the souls of the nine realms is derived from it, ComicBook reported.

While that theory has some problems namely, the Asgardians giving away the Reality Stone to the Collector because they only wanted to keep one stone, The Tesseract, it iss not an impossible theory that Heimdall kept his possession of a stone a secret from all Asgardians, with the likely exception of Odin Allfather (Anthony Hopkins).

"Thor: Ragnarok" is scheduled to be release on Nov. 3, 2017.