Thanos (Earth-199999), Spider-Man Wiki

Thanos was a warlord from Titan.

Peter Parker (Earth-199999), Wiki

Keep 'The Spectacular Spider-Man' Alive!

Peter Parker (Earth-199999), Wiki

Peter Parker (Earth-199999), Marvel Database

Peter Parker (Marvel Cinematic Universe) - Wikipedia

Infinity Gauntlet

Spider-Man (Earth 199999), Wiki

Everything in the Marvel Cinematic Universe – THE TIMELINE MACHINE

In the MCU, what happened to that celestial who first had the Power Stone in a staff? How was he defeated? If he wasn't, why wouldn't he help fight Thanos? - Quora