This is one of the nicer Earths, for sure. There are two kinds, generally speaking, primes and mayflies. A mayfly world is doomed to die, someone there is so destructive that, say, they let a zombie virus loose and the world is infected, or they become a tyrannical king and everyone starves.

[ He rests his fork on his plate, visibly debating saying more when he looks to Peter. That's when his voice softens and he gives a sad smile. ]

I once found an Asgard where my skeleton was on the throne, my brother's was reaching up the steps toward me. I also met my future-self, before I changed the direction my life was going in, and he had burned every human on Earth to ash. He sat upon their bones.

Lokis are ... not good rulers, as a rule. Ironically. But, [ and he digs his fork into his meal, enthusing himself to feel better, picking up his own mood (which he is very practiced at), ] I am more self-aware than most, so I have no plans to go full-scale wacko. Rest assured.