The artwork shows a bullet shattering a North Norfolk Digital mug, hinting at the tense siege story at the heart of the film.
Alan Partridge star Steve Coogan recently lifted the lid on the film while appearing on The Jonathan Ross Show.
The actor revealed that the Norwich radio station experiences mass layoffs after a takeover from Gordale Media. A siege erupts at the station prompting Alan to become the negotiator between the gunman and the police.
I'm Alan Partridge regulars Lynn (Felicity Montagu), Geordie BP garage worker Michael (Simon Greenall) and DJ Dave Clifton (Phil Cornwell) will return for the feature film.
Alan Partridge: Alpha Papa was written by Armando Iannucci, Neil Gibbons, Rob Gibbons and Coogan and opens in UK cinemas on August 7.
Watch a teaser trailer for the film below: