In the trailer, Chan is seen proposing an alliance with Cusack's character, reported Ace Showbiz.
Chan, 60, is playing the character named Huo An, who is a Commander of the Protectorate of the Western Regions.
Cusack, 48, plays Lucius, a Roman general who meets Chan in the Western part of China.
Oscar-winning actor Adrien Brody, who is also a part of the film, plays a character named Tiberius.
'Dragon Blade' is set during the time of Han Dynasty and the film hits the theatres on February 19 next year on the first day of Chinese New Year holiday.