• A surprise Stranger Things 4 promotion was released, confirming Hopper's identity as "The American."
  • The 50-second promo video focuses on the happenings at the Russian prison from the Stranger Things 3 post-credits scene.
  • There's no release date yet, but The Duffer Brothers released a letter confirming that the fourth season of the show is officially in production.

A surprise promo for Stranger Things 4 appeared online on Friday morning, and it revealed the answer to a mystery that fans have been wondering since Stranger Things 3 debuted last July: Hopper is alive , and in Russia. This confirms that he's "The American" that the subtitles int he Russian prison referred to in the show's post-credits scene. The promotion also makes it official with word from The Duffer Brothers: Stranger Things 4 has officially begun production.

The Twitter promo is captioned "From Russia with love" and is 50 seconds of footage from a Russian facility, primarily of prisoners working. At the end of the video, the camera zooms in on one of those prisoners, revealing a familiar face: David Harbour as Hawkins, Indiana Police Chief Jim Hopper. Except, for some reason, he's baldand far away from home.

A press release from Netflixa letter from series creators The Duffer Brothersconfirms the premise for the fourth season of the sci-fi smash hit, and Hopper's identity as the mysterious 'American' from the third season's post-credits scene.

"Were excited to officially confirm that production on Stranger Things 4 is now underway -- and even more excited to announce the return of Hopper! Although its not all good news for our American; he is imprisoned far from home in the snowy wasteland of Kamchatka, where he will face dangers both human...and other. Meanwhile, back in the states, a new horror is beginning to surface, something long buried, something that connects everything. Season 4 is shaping up to be the biggest and most frightening season yet, and we cannot wait for everyone to see more. In the meantime -- pray for the American." From Russia with love, The Duffer Brothers

It's the perfect way to get Stranger Things fans excited online. A surprise video is always fun and invites speculation, but this also allows fans to no longer waste any time wondering whether or not the show's (arguably) most popular character would be making his return. David Harbourwho will also make his Marvel debut as Red Guardian in Black Widow this summerwill be back on Stranger Things, news surely welcome to the ears of any fan.

Now, the next thing we need is a release date. Just be patient, peoplesoon enough we'll get our next glimpses not only at Hopper, but Eleven, Steve, Mike, Lucas, Dustin, and the whole gang.