Loki Went tahanan To Frost Giant Planet At Original End Of Thor: Ragnarok 

screenrant.com -BY COOPER hood - Concept art from The Art of Avengers: Endgame reveals Loki went to Jotunheim at the end of Thor: Ragnarok in an alternate draft of the script.
keywords: loki, jotunheim, went tahanan, frost giant planet, original end, thor: ragnarok