A Marvel fan sadly died while watching Avengers: Infinity War earlier this week. The man was found by the theater’s staff after the movie was over, possibly having suffered from a heart attack.

The 43-year-old Peddapasupula Baasha, a mason worker, attended a 3D showing of Infinity War as part of May Day celebrations in the Indian city of Proddatur, in the state of Andhra Pradesh, on Tuesday. Police say, according to The Times of India (h/t Digital Spy), that Baasha could have died of natural causes, or may suffered a heart attack at some point during the movie and died of cardiac arrest. His body was found by cleaning staff after they assumed he’d stayed in the theater for the post-credits scene. When he didn’t move from his seat, they realized he had died.

His death was ruled suspicious by the authorities and his body was taken into custody for a postmortem. The investigation is still ongoing at a local government hospital and a suspicious death case has been registered.

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