Chris Hemsworth Will Go Shirtless for 'Vacation' Movie Cameo!

Here’s some big news from CinemaCon in Vegas… Chris Hemsworth will go shirtless and wear just his boxers in a special cameo in the upcoming comedy Vacation!

According to press in the audience at the presentation, the 31-year-old actor also gets to show off his package with a big bulge in the underwear. No word yet if it’s real or a prosthetic.

PHOTOS: Check out the latest pics of Chris Hemsworth

Pictured inside: The movie’s stars Christina Applegate and Ed Helms walking the red carpet at the CinemaCon event on Tuesday (April 21) at Caesars Palace in Las Vegas.