Ahm, did they explain how the fuck they got to Victor's time machine? Cuz otherwise i can't see how that resolution would solve anything in the 616 timeline.
Unless the writer has no idea how mahvel time travel works, obv.
Honestly, I don't know how Marvel time travel works, so I can't say anything about it. But they don't use Doom's time machine.
Eva uses her powers to time travel to the past.