I only just realised that Strange's spell involving Thor's hair to find Odin produced the Worthiness enchantment symbol that's on Mjolnir : r/marvelstudios
Hammers of Asgard | Thor comic, Marvel thor, Marvel superheroes
Avengers Reveals That Odin Could NOT Lift Thor's Hammer | CBR – iNerd
Odin Makes: Thor's hammer from Thor: Ragnarok - YouTube