Yes I know it's confirmed he's alive. I was asking if it was confirmed that he was the person referred to in the end of Season 3.

I thought it was Brenner,

I'm a little confused by that, too, @StrangerTrooper . Was it ever confirmed that it was Hop?

Like I said before, the Russians referred to whoever it was as “The American.” Then when we see Hopper in the teaser, he is in Russia. If there is only one American on that site, and we see Hopper there, it’s got to be Hopper who is the prisoner.

I think the problem is that we don't know if Brenner is in Russia or not. If he is, either he or Hopper could have been the American they were referring to in that scene. It was an off-hand comment, and is not necessarily connected to the labor camp we see in the teaser.

Ah, I see your previous comment now. So your theory is that because they use the word "the" instead of "one of the" there's only one American in their vicinity? I suppose it could be interpreted this way. It also could have been to compare that prisoner with another. "Take the American, not the guy next to him."

I saw it in the second sense, @Fisher Fan.

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We have proof he's alive

There is a video proving that he’s alive