In one of the previous episodes, when 2017 Barry travels to the future with Cisco to show him what happened and how Savitar killed Iris, we see the original Wells on the roof top with a gun. Then later on, in another episode Savitar called Wally "Wallace". Only H.R. Wells calls him that. But I think Savitar is H.R.…

Could this be all the way from 2056? The message Barry sent to captain Hunter in LOT? Just sayin'…