Originally Posted by
Keltest
Given that the souls were destroyed, that would seem to suggest that they were not sufficiently prepared to remake the world on their own. Which really makes Loki's argument that they have enough time to end the world and fix things anyway sound hollow, come to think of it.
If I had to guess whats different on this world, I would say the gates. This is the first time anyone has actually successfully plugged the gaps, to any meaningful degree.