Lionsgate chairman confirms John Wick franchise's fifth movie is in the works.
Franchise expanding with spin-offs, TV series, and AAA video game.
"Ballerina" spinoff starring Ana de Armas releases next year.
Development underway for three other spinoffs and "The Continental" TV series.
Fifth movie will be organically connected to the growing universe.
Lionsgate aims to maintain a steady cadence of John Wick content.
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