What Questions Could A Quiet Place 2 Answer?

A Quiet Place is one of the most successful films of 2018.
But, it left the audience with a lot of questions.
In a recent interview with Indiewire, actor Bryan Tyree Henry teased talked about the questions 'A Quiet Place 2' could answer.
io9 said the sequel could delve into mysterious alien invaders.
"I think that we’re going to get a few answers to the origin of where and how this whole thing happened."
Henry also said fans will also see more humanity in the sequel.