A new monster from the Upside Down is ready to take over the sleepy-eyed town of Hawkins , Indiana inStranger Thingsseason 3 . matter are n’t looking too good for Eleven , Mike , Will , Hopper , Joyce , and the relaxation of the Hawkins gang in a newStranger Thingsseason 3   traileras the monster makes its comportment fuck and declare its ready to destroy everything these fiber hold dear .

One of the most curious parts of the   final trailer is the voiceover prominently featured throughout . At the start of the dawdler , the demon can be heard saying,“You countenance us in . And now , you are go to have to let us stay . “It ’s a rather ominous declaration , rag the approaching fight the Hawkins crew are going to have to wage against the monstrousUpside Downringleader and all of the other monsters it plans to unleash upon the township , as well as the rest period of the world . But who precisely is verbalise ? The voiceover implies the monster has created a human host to work through but the master of ceremonies ’s identity is never bring out .

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It seems like Eleven will be responsible for fighting them and helping the host get free of this new monster ’s clutch , but who exactly will she be taking on ? Ahead ofStranger Thingsseason 3 , here ’s   who   we recall   could get   have by the new Upside Down monster .

Theory #1: Billy Gets Possessed By the Upside Down Monster in Stranger Things Season 3

Some cagy redaction in theStranger Thingsseason 3   trailer mean it is Billy Hargrove ( Dacre Montgomery ) who is possessed by the Modern Upside Down monster and whose soundbox is acting a the host for the devil to work through . The voice for certain sound like Billy ’s , a representative most latterly find out in a new season 3 clip showcasingBilly   as the Modern lifeguardat the Hawkins community kitty .

Past season 3 prevue have also shown Billy isolate from the rest of the characters and accept a much more troubling summer than them , too . Montgomery has been record   in the shower with a track or growing wounding on his arm , as if he ’s infected with something . The unexampled   trailer also includes a shot showing a bevy of rats scurrying into the Erimborn Steelworks , which matches an picture of Billy standing outside the same construction   featured   on aStranger Thingsseason 3 poster , implying this is the spot the new devil will be place at to work on attain its finish on the Upside Down infiltrate Hawkins .

It ’s still unclear how Billy comes in contact with the Upside Down but all mansion maneuver to the encounter leaving a lasting ( and potentially fateful ) impression on Hawkins ' newest resident . Could the marks on Billy ’s arm just be the first sign of a full - brag possession ? Or will the new Upside Down monster use Billy in a dissimilar way to attain its finish of taking over the town ?

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Theory #2: Will Gets Possessed Again in Stranger Things Season 3

Of course , it ’s also very possible Will Byers ( Noah Schnapp ) has n’t   shook the cargo hold the Upside Down had on him inStranger Thingsseason 2 . Last season , Will was possessed by a locoweed monster from the Upside Down . During his self-control , his part deepened and he became perceptibly more minatory and powerful thanks to the monster ’s own tycoon . This led to a jarring   scene that could have been rend fromThe exorciser , with Joyce and Jonathan strapping Will to a chair in the shed behind their theatre and attempting to rid Will of the monster .

The   latestStranger Thingsseason 3 trailer hints Will is still feeling the force of his possession . At   one point , he is seen advert the back of his neck in a movie theater . At another point , he   ask Eleven,“What if he never left ? What if we lock him out here with us?“Will is currently one of the few masses who has had intense and extended experience with the creatures of the Upside Down , make believe him especially susceptible to another possession . Could the spokesperson heard in this up-to-the-minute preview be his , with the newfangled Upside Down colossus   once again making his voice a little deeper and more sinister ?

Theory #3: An Unexpected Character Gets Possessed in Stranger Things Season 3

There ’s always the   luck theStranger Thingsseason 3   trailer is using some misleading editing to make rooter trust either Billy or Will is the one speaking in the voiceover when really it ’s a character that has n’t been reckon . The voiceover sound like a young male , so if it ’s not Billy or Will , it could be Mike ( Finn Wolfhard ) , Jonathan ( Charlie Heaton ) , or Steve ( Joe Keery ) . Puberty or not , Dustin ( Gaten Matarazzo ) and Lucas ( Caleb McLaughlin ) still have pretty trenchant voices which do n’t seem to match what is being hear in the trailer .

Because Eleven did n’t quite shut the Upside Down in a elbow room that kept it out of Hawkins at theend ofStranger Thingsseason 2 , allowing the dark alternate dimension to thrust its way into Hawkins in season 3 , the chances for every character to have an interaction with the real environment or the ogre who develop from there will increase . There will be multiple opportunities for Mike , Jonathan , or Steve to come in contact with one or more of the new Upside Down monsters and it ’s exclusively possible those lusus naturae will deem one of these eccentric the perfect host organic structure to utilise as a means to achieving its plans for world mastery .

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Stranger Thingsseason   3   releases to Netflix on July 4 .

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