"Competitive Intelligence is defined as business intelligence focusing on the external competitive environment.
Chances are, the movieset.com movie you're working on has been done before, quite a number of times.
Your client should provide you with these competing films' names and other details from their movie Marketing plan or business plan.
NB: Your client should be able to list 5 competitors' movies, past and present .
If not, run away. They haven't done their homework and you won't be able to save their ass.