Vecna returns with a terrifying new look in Stranger Things Season 5. Could he be hiding inside Will Byers? A dark theory suggests so.

The official teaser trailer for Season 5 previews a final battle with Vecna, whose complex origin story is the focal point of the play "Stranger Things: The First Shadow."

Netflix is dropping the teaser for "Stranger Things" Season 5 on July 16, four months ahead of the show's premiere. What we know about the fifth and final season.

The trailer doesn't show Vecna's full face, but the Season 5 poster reveals it’s partially hidden in a red cloud. The cloud obscures one of his eyes, hinting at possible physical damage. This detail suggests he may have lost the eye during the Season 4 battle.

The first official look at Stranger Things Season 5 is finally here, and it is everything and more that fans have been waiting for.

Netflix's Stranger Things is coming to an end in November as the fifth and final season lands on the streamer - but fans are convinced that the poster has spoiled who's set to die

The popular Netflix series, which is returning with the first part of its final season on Nov. 26, picks up in the brutal aftermath of the end of season 4