Elsa Pataky and Chris Hemsworth Elsa Pataky and Chris Hemsworth

Where can Chris Hemsworth register for a Mjolnir-shaped rattle?

The Thor star and his wife, Spanish actress Elsa Pataky, are expecting their first child, Hola! magazine reports.

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Pataky tells the magazine that the couple will wait to learn the sex of their child and that Hemsworth, 28, will be taking a crash course in Spanish to prepare for the new arrival. "I'm only going to speak to the baby in Spanish," Pataky, 35, says. "I already told my husband, 'Get ready fast with Spanish because, if not, you're not going to be able to understand what we say.'"

Hemsworth and Pataky married in Australia over the 2010 Christmas holidays.

Hemsworth will next appear on the big screen in this summer's Snow White and the Huntsman. He's also the older brother of Liam Hemsworth, who stars in the adaptation of The Hunger Games, opening in theaters in March.