Conventions of film openings

mixture of black screen
with titiles and footage from films
genre/mood/characters

formats
separate - sequence such as spiderman or james bond.
genre/mood
creativity - beyond the franchise.

Credits
Names such as :
-actors
-costume designer
-producer
attracts audience if actors are good

Start of the film
plot
genre -  thriller
critical moment
complication end of critical
sitiuation
main film explains