The poster mistakenly features Shanghai's Oriental Pearl Tower on Hong Kong's skyline and has since been taken down from the movie's official Facebook page after the spark of outrage and ridicule.
The error sparked a flurry on social media under the hashtags #HongKongisnotChina and #HongKongindependence.
Many have called for a boycott of the film that is due for release ini November, reports AFP via AsiaOne.
"Please remove this ugly tower from Victoria Harbour," Facebook user Chin Chiu-man commented, while another angry user said: "Why don't you put a pyramid in New York".
The movie's official Facebook page posted an apology after taking down the poster:
"An error in one in a series of posters for "Arrival" was made by a third party vendor. The wrong art depicted in this specific poster has been replaced with the correct art. We are disappointed to have not caught the error."