No, but a story related to the GF (like including characters as their young, relatives) could be a great film, and it would extend the great GF saga with new storylines.

It also could work out as a medecin to put away GF III.
Then FFC can say: "This is it, the story ended", so that the saga ended with quality.

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See, we can act as smart as we want, but at the end of the day, we still follow a guy who fucks himself with kebab skewers.