What is the fine-grained topic of the following text: Everyone knew that Avengers: Infinity War would be a blockbuster, but the crossover event has exceeded all expectations by opening to a record-setting $250 million in North America and $380 million overseas for a global total of $630 million, the top worldwide opening weekend of all time, besting the previous record holder, The Fate of the Furious, which earned $541.9 million. Only return the topic.
Avengers: Infinity War's record-setting opening weekend earnings