My prediction: Sherlock is Gary Mitchell returned from death — Kirk had to kill him when he became a god — to break cray cray on Earth.
It has something to do with the Return of the Archons. It was remade as a comic book two-parter where the supernatural stuff was taken out and replaced with government conspiracy. Maybe Benedict is playing Cornelius Landru
This looks like the deflector dish. In the comic book, a similar scene has the hull of the ship in this location, along with the same type of robes/coats.
You are welcome.
Oh, and catch the last few seconds of the Japanese trailer: