Where You Go, I Go (слэш)

“That’s the strangest part. He said he was in Valhalla when he felt the pull, like he was being tugged home. The Bifrost needed a Guardian. But that’s not all.” Thor turns to his sibling. When he speaks again, his tone has gotten, if possible, more awe-struck. “Loki, they’re back. They’re all back.”
Loki stares at him, jaw working. Tony is still confused, but Loki seems to have figured it out, so he waits for them to speak. “Everyone?” Loki asks, voice soft.
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Four and a half years after Ragnarok, Asgard reappears, bringing back more than just the Armageddon-obliterated planet, but also people long dead.