What's the point of this? If it's the beginning of the war we already know humanity loses. If they didn't there never would have been a Terminator to begin with. That's the problem with time-travel bullshit and alternate realities, it's all deus ex machina.
"I don't respect time travel. If Ant-Man and the Wasp can do it, I'm not Interested." - Rick Sanchez
"I like my coffee like I like my women. Black, with a side of prune danish." - Gilbert Gottfried