Crossword Genius

Marvel hero played by Chris Hemsworth (4)

Ross

I believe the answer is:

thor

(Other definitions for thor that I've seen before include "can be classed as immortal" , "Scandinavian thunder-god" , "Wielder of hammer" , "The Thunderer" , "Norse god of thunder - a weekday is named after him" .)

I've seen this clue in the LA Times.
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