'Shrek 5' script is ready and quite a few reinventions are in order!

Shrek 5 writer Michael McCullers says that the film franchise has a lot of scope left for exploration.

McCullers, 46, says the team has plan ready for the "reinvention" of the series and is also done with penning the script of the upcoming film, according to The Hollywood Reporter.

"It's got a pretty big reinvention behind it that I guess I can't really reveal, but since DreamWorks was sold to Universal in that time for over $3 billion, I imagine they're particularly interested in it stepping up and actually figuring out the future of the franchise in that way on the corporate level," says McCullers.

He adds that a rework was the need of the hour for the Shrek films so that it turned out to be a profitable option for the makers too.

"Reinvention was sort of called for. There's been four movies and a lot of material, so the characters are pretty beloved and they're great characters, but you also have to think of a pretty new take at that point," he says.