What was the highest grossing movie in 2018?
The highest grossing movie worldwide in 2018 was Marvel's "Avengers: Infinity War," which grossed approximately $2.05 billion in box office revenue.
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### Instruction:
What was the highest grossing movie in 2018?

### Response:
The highest grossing movie worldwide in 2018 was Marvel's "Avengers: Infinity War," which grossed approximately $2.05 billion in box office revenue.