Odin's pursuit of the Infinity Stones was driven by his instinct as the McU's God of War, seeking to use them as weapons to subjugate the Nine Realms. Odin's ruthless and bloody conquest of the Nine Realms showcased his willingness to stop at nothing to establish his Asgardian Empire, even unleashing his daughter Hela's immense power. The fake Infinity Gauntlet in Odin's vault suggests that he hunted for the stones himself before Thanos, as it is likely that Odin commissioned the gauntlet to be constructed by the Dwarves of Nidavellir.

Following the events of Thor: Ragnarok, there is a lot of evidence to suggest that Odin was seeking all the MCU Infinity Stones way before Thanos, and for no less sinister reasons. As an Asgardian, Odin had been living in the MCU for several millennia before finally facing his mortality in Thor: Ragnarok. It was around the time...