[2019] You are given 300 million to make a movie but it HAS to bomb at the box office or else you die. What do you make?

The sequel to john carter of mars

Easy. First, Make any movie, of any quality - and then:

1) Intentionally don't spend any money on advertising 2) Bribe critics to post negative reviews of the movie 3) Make a terrible distribution deal where most theaters decide it is insufficiently profitable to play your movie. Or better yet, attempt your own distribution and only offer it to small indie theaters.