(Dusts off account)
Polygon has published an interview
with Iginio Straffi... Pretty good stuff about the genesis of the original series, with a little bit about Fate, but of note is one of the last paragraphs:
He has big dreams for the future of Winx Club. He wants a theatrical movie. He wants to explore the origin of the Trix, the three witch sisters with a rivalry against the fairies. He wants the show to be as big in America as it is in Europe, whether it’s through the animated series or the live-action one.
Hmm, a Trix origin story? Make of that as you will
(Also from the same author as the interview: An article
about how girl cartoons need their shot at the big screen, which also has a mention of Winx