Avengers Endgame: In the first scene, Thanos was wielding Stormbreaker and when Captain hits Thanos with Thor's hammer in the next part of it Thanos was wielding his sword instead of Stormbreaker. :
Endgame Detail Proves Thanos Knew He Couldn't Lift Mjolnir - Theory Explained
Watch Captain America Fight Thanos with Mjolnir Again in AVENGERS: ENDGAME Clip — GeekTyrant
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