WATCH: First Hangover III trailer

The wolf pack is back together in Vegas for the latest telling of the Hangover

Zach Galifianakis as Alan in a scene from The Hangover: Part III. Picture: Supplied Source: Supplied

The Hangover 3 movie poster released by Warner Bros. yesterday. Picture: Supplied Source: Supplied

FINALLY! The wolfpack is back.

The first official trailer for The Hangover: Part III has dropped, and the sneak peak into the comedy trilogy's final chapter looks even looser than ever.

Bradley Cooper, Ed Helms and Zach Galifianakis are back as Phil, Stu and Alan and return to Las Vegas for another helping of drunken exploits that Phil declares "all ends" here.

"Someone needs to burn this place to the ground", Stu adds.

While there doesn't seem to be a wedding, nor a bachelor party, the clips promises a funeral, crims in pig masks, an ill-fated giraffe, and the hilarious Melissa McCarthy (Bridesmaids).

The trailer for the Todd Phillips-directed flick comes one day after Warner Bros released the first official movie poster on the film's Facebook page.

Watch: The epic trailer above.

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