• 'Stranger Things' is an eight-episode thriller airing at Netflix.

'Stranger Things' is an eight-episode thriller airing at Netflix. (Photo : YouTube/Stranger Things)

The latest details and spoilers for "Stranger Things" season 2 will feature a new trailer, release date, a monster invasion and a possible evil Will Byers.

A new trailer for "Stranger Things" season 2 was streamed during this weeks Super Bowl LI event as it features a possible invasion from the Upside Down in the quiet town of Hawkins, Indiana. The trailer starts with a retro ’80s Eggo Waffle commercial which is a nod to Eleven's (Millie Bobbie Browns) favorite food, then it shifts to Mike Wheeler (Finn Wolfhard) shouting her name as a series of cuts revealed that something strange will happen to Hawkins soon.

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The trailer also features Will Byers (Noah Schnapp) experiencing disturbing effects of his time in the Upside Down world as he draws a giant monster, which will come out in Hawkins hinting a possible invasion. It is speculated that Will is likely responsible for summoning the monster or something else has lured the creature from the Upside Down world, Screenrant reported.

Will Byers has been the source of numerous claims and speculations as he will have a huge role to play in season 2 of the hit Neflix series. It is rumored that Will could turn evil as cast member Noah Schnapp stated in an interview that his character will go crazy due to the traumatizing experience he had endured in the other side and will have a hard time adjusting to the real world.

It is also teased that Eleven's return could in episode 7 titled "The Secret Cabin" theorizing that it could be her hiding place after her fight with the Demogorgon. It is unknown yet if this "cabin" is from the real world or in the Upside Down world, Looper reported.

Eleven will also likely help Will in his struggles with the effects of the Upside Down world. cast member David Harbour stated during the Fan2Sea Comic-Con cruise that the story of "Stranger Things" season 2 will take place a year later after the events of season 1 and there are certain people in the town of Hawkins that know what happened, and then there are other people who do not know what happened. So there’s a lot of fall out with who knows what in the second season.

The trailer ends with a possible "Halloween" premier of "Stranger Things" season 2, but an exact date has yet to be announced.

"Stranger Things" season 2 debuts on Netflix in time for Halloween 2017.