The 34-year-old actor, best known for creating hit series "Fleabag" and "Killing Eve", boarded the latest Bond film last year and she will be credited as a writer alongside Neal Purvis & Robert Wade.
Theatres across China continue to remain shut amid efforts to control the spread of the virus, which has resulted in a death toll of more than 1,700 people in the country.
The news of Billie going to croon the theme song for the 25th installment of the upcoming spy-thriller 'No Time to Die' has been the talk of the town ever since she was signed to sing the song.
The trailer marks the first time Daniel Craig suited up as 007 since 2015's Bond film 'Spectre'.
Director Fukunaga had previously worked with Romer on Beasts of No Nation and the Netflix miniseries Maniac.
The actor, who won his maiden best actor Oscar for his role as the Queen frontman in "Bohemian Rhapsody" last year, said Mercury inspired him to be "original".
There was speculation that she was hired to make the film more inclusive, specifically to improve the portrayal of women in Bond movies.
Craig is seen striking a dapper intense form as Bond, zipping around in a high-concept Aston Martin devised especially for him by Q (Ben Wishaw).
Ralph Fiennes and Ben Whishaw will return as M and Q respectively, while Rami Malek will be seen as the villain.
In an interview to BBC, the 34-year-old shared that she took writing the comedy-drama series Fleabag because she was being offered limiting roles she felt under pressure.
The 25th film in the action spy franchise follows a now-retired Bond who has left active service for a tranquil retirement in Jamaica.