As Stranger Things season 4 is set to drop sometime later this year, Netflix decided to give fans the first taste what the next instalment the sci-fi thriller series has to fer. Beware spoilers ahead, as this teaser, titled “From Russia with love…” reveals a pretty significant detail about one the show’s main characters.

In the 50-second clip,  to a freezing, snow-capped base camp in Russia. In a grand reveal, one the railroad workers turns out to be none other than a bald Jim Hopper, Hawkins former Chief Police who was presumably killed at the end Season 3 in a massive explosion as the gang tried to defeat the Russians. However, when a post-credits scene in the finale revealed that the Russians had kidnapped “an American” without specifying which American,  and was, thus, still alive. Despite these suspicions, it was not ficially confirmed until now that , would be returning for season 4. While fans can now breathe a sigh relief for the fate the beloved anti-hero, this detail is really all anyone knows about the show’s return, including the cast members.

Astrid Stawiarz/Getty s for SiriusXM

“I have no idea what happens in the entire season,” Finn Wolfhard, who plays Mike Wheeler, revealed in January. “I talked to a few other cast members. One them has a script, and the others don’t. It’s somehow calculated. I don’t know how they do it, but I honestly have no idea how it’s going to go.” Best to keep everyone in the dark until the last second to increase the suspense, it seems.