Speaking of Terminator, it seems a bit too elaborate for Bethesda to create a town set in 2077 without using the art assets used for it in some other part of the game like VR Simulations or Time Travel. Fallout 2 has the Guardian of Forever so time travel is possible. Would be an interesting way to end the Fallout series. Have the protagonist travel back in time to stop the bombs. I seriously doubt Bethesda would do something like that since they want to milk Fallout for all its worth, but it might happen in Fallout 13.