Every great long-running film franchise came from one successful original film that made enough people happy and drew in enough money for producers to demand many sequels and instalments.
As we have seen before, even with the best film in your possession, if you give it a vague, wordy or misleading title, then not many people are going to take a punt to spend their money on a viewing.
With the arrival of May, we're fully entered into Summer Blockbuster season, which means we have plenty to enjoy this month, including the returns of two much-loved film franchises, and some very grown up comedies.
Here are the films that you should be hitting cinemas for this month...
These days, if a film is successful, it's almost guaranteed that they will be having a sequel and many screenwriters leave cliffhangers and loose ends that can be picked back up in a follow-up.
Groundhog Day is one of the defining comedies of the '90s; an inventive concept with a wonderful story with Bill Murray - with his star still flying high - at his leading man best, with his Ghostbusters co-star, and Caddyshack director Harold Ramis behind the camera.
The average filmgoer doesn't realise the amount of time-consuming work that it takes getting a film from the imaginations of the filmmakers and out into cinemas for us to enjoy.
Now we've hit April, the evenings are getting longer and all the hints are there that summer (and blockbuster season) is on its way.
But with each month getting its share of top box office-busting titles, as well as great unexpected hits, April boasts its own share of top titles, including...
It has been revealed that for Terrence Malick's new romantic drama Song to Song, the famously experimental director has cut Christian Bale, Haley Bennett, Benicio del Toro, Trevante Rhodes and Boyd Holbrook's performances from the film.
A few sequels are considered as better than the original, the likes of Aliens, Terminator 2 and The Godfather 2, but they are based on the foundations of wonderful original
