The title screen russian writing

Any thjoughts on that coming soon teaser in the title screen says stuff in russian writing looks like a possible bunker some kinda place maybe a new dlc ??? hoping any ideas its the russians im guessing building a bunker place new boss thats russian etc ? what y all think

It says Engines are running, Equipment is ready.

It’s already covered in this topic:

Since there’s already a topic covering this, I’m closing this one.