Warning: Contains SPOILERS for Thor: Love & Thunder.
In Thor: Love and Thunder, a glimpse of Thor’s back reveals a collection of tattoos, some of which are dedicated to Loki and hold two secret meanings. Taika Waititi's Love and Thunder brings back Thor, Valkyrie, Korg, and Jane Foster as Mighty Thor. The team squares off against villain Gorr the God Butcher to stop him from reaching the entity known as Eternity and gaining the power to eliminate all gods.
In an effort to take down Gorr, Thor and his allies travel to Omnipotence City to recruit other gods to fight alongside them. They enter the city in disguise, but Russell Crowe’s Zeus demands Thor remove his disguise after he is found out. After being refused, Zeus “flicks” Thor’s disguise off by force, accidentally taking his clothes off in the process and revealing Thor’s tattoo-covered back. As Thor's back was bare when it was last seen in Avengers: Endgame, it's clear that the tattoos are both relatively new and meaningful.
Related: Why Mjolnir Chose Jane As The New Thor
Thor’s most eye-catching tattoos are of Loki’s Helmet and the phrases “RIP Loki” and “brothers.” The secret meaning of Thor's new ink seems to point in two directions. First, Thor is paying tribute to his late brother, the last living member of his immediate family after their parents died. Second, the tattoos serve to make Loki’s presence felt in Thor: Love and Thunder, despite the God of Mischief not returning in the flesh. There is, of course, the potential for Thor to someday reunite with Loki, as Loki's alternate timeline version is alive in the MCU. While the two often fought, they cared deeply about one another. After Loki died and returned multiple times (as mentioned in Korg’s monologue at
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