When Thanos snapped his fingers, Earth became ground zero for a power surge of ridiculously cosmic proportions. No one's ever seen anything like it... Until two days ago. Yeah, we boarded that highly suspect warship Danvers pinged. No, you accidentally survived. It's a billion to one cosmic fluke. And now you wanna pull off a... What do you call it? Will you keep that a little quiet? Didn't bring one for the whole team. Where to start? Umm... The Aether, first, is not a stone, someone called it a stone before. It's more of a... an angry sludge thing, so... someones gonna need to amend that. Here's an interesting story though, many years ago... My grandfather had to hide the stones from the Dark Elves... Look, us sitting here staring at that thing is not gonna bring everybody back. I'm the strongest Avenger, okay? So this responsibility falls upon me. It's my duty.
When Thanos snapped his fingers, Earth became ground zero for a power surge of ridiculously cosmic proportions. No one's ever seen anything like it... Until two days ago. You know I'd offer to cook you dinner but you seem pretty miserable already. You like going to the garage, huh? So does daddy. It's fine, actually. Your mom never wears anything I buy her. Kind of a step down from a from a golden palace for an Avenger highness and whatnot. I think you look great, Cap. As far as I'm concerned, that's America's ass. Remember... You have to return the stones to the exact moment you got them. Or you're gonna open up a bunch of nasty alternative realities.
The Infinity Stones create what you experience as the flow of time. Remove one stone and that flow splits.