Whosoever Holds, for zubeneschamali

title: Whosoever Holds
recipient:

zubeneschamali
genre: post SPN season 14 finale, crossover with MCU (post Endgame)
characters: Sam Winchester, Dean Winchester, Castiel, Steve Rogers
rating: gen, PG
warnings: show typical violence;
word-count: ~2,000

story summary: Just when Sam Winchester needs it most, Mjölnir returns to him. But is he really worthy?