• "Thor: Ragnarok" star Chris Hemsworth shows his bulge in "Vacation."

"Thor: Ragnarok" star Chris Hemsworth shows his bulge in "Vacation." (Photo : YouTube/Comedy Central)

One of the "Vacation" trailer's main attractions is apparently "Avengers: Age Of Ultron" actor Chris Hemsworth's giant prosthetic penis. The film is a reboot of the 1983 comedy "National Lampoon's Vacation," which starred Chevy Chase, Beverly D'Angelo and Imogene Coca.

The "Vacation" trailer starts with Rusty Griswold played by Ed Helms who decides to take his wife Debbie Griswold played by Christina Applegate and two sons on a vacation to Walley World.

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The highlight of the "Vacation" trailer is when the shirtless Stone Crandall played by Hemsworth into Rusty Griswold's bedroom wearing only tiny underwear which hardly contain his giant penis. Rusty Griswold and his wife stare awkwardly at the gigantic bulge and not at his biceps and six-pack abs.

Directed by John Francis Daley and Jonathan M. Goldstein, "Vacation" also stars Christina Applegate, Elizabeth Gillies, Skyler Gisondo, Nick Kroll, Charlie Day, Keegan-Michael Key, Michael Pena, Regina Hall, Samm Levine and Leslie Mann, among others.

Meanwhile, Mann is set to join Jennifer Aniston and Julia Roberts in the first ever United States "Red Nose Day" charity special on May 21, which was cofounded by "Love Actually" director Richard Curtis in 1985, according to News 1130.

Also joining the "Red Nose Day" charity special are singers Sam Smith, John Legend and Academy Award winner, "American Idol" alum Jennifer Hudson.

On April 21, the "Vacation" trailer was shown at CinemaCon at The Colosseum at Caesars Palace for the Warner Bros. presentation when "Magic Mike XXL," "San Andreas" and "Mad Max: Fury Road" clips were also featured, MTV reported.

Watch the "Vacation" trailer here: