LOS ANGELES (AP) — “Transformers: Age of Extinction” is ruling the box office.

The fourth installment in filmmaker Michael Bay’s morphing robots series earned $100 million in North America during its opening weekend, making it the biggest debut for a movie this year, according to studio estimates Sunday. The Paramount blockbuster outperformed “Captain America: The Winter Soldier” and its $95 million inauguration in April.

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