If there's any series/franchise ripe for a true comeback: It's The Terminator.
It's pretty widely agreed that every movie after 2, which is over 30 years old now, kinda sucks to varying degrees (Tho 3 might have it's moments).
They've tried to soft-reboot it not just once, but twice, both being pretty abysmal failures.
In the right hands, I think it's very possible for there to be another critically-acclaimed and successful Terminator movie, I don't think it's impossible.
The solution
Every movie has SkyNet going after another link in the Connor family tree
It tries and fails with Sarah Connor, so it goes after her Father, then his mother and then her father on and on and on until it's Terminator versus Synapsids in the Permian Era
Terminator kicks that fish thing back into the ocean when it tries crawling on land for the first time
And then SkyNet is destroyed by the Saurians and their mighty empire
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based terminator