Agent Coulson lives on another Marvel timeline.
In Marvel's Loki, Phil Coulson's death is mentioned and referenced, but not his resurrection and resulting career seen in ABC's Agents of Shield.
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Ms. Marvel' Confirms a S.H.I.E.L.D. Agent Was at Endgame Battle
Archive ScreenRant
Archive ScreenRant
Agent Phil Coulson Death Scene - The Avengers movie scene
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Was Loki sick in the Avengers? It looked like he almost fell a
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