These are strange days in the film industry.
Franchises long forgotten don't seem to die (hard enough), while newer ones are slaughtered in the box office. The recent Dredd film, a vigorous and faithful adaptation of the eponymous anti-hero, offered a glimpse of what could have been. The film's producer confirmed that there won't be a Dredd sequel, but an officiallly-unofficial-non-profit-fan-film (like the Thomas Jane-Punisher short, #DIRTYLAUNDRY) is eventually going to happen.
The Dredd fan-film has actually happened a while ago, in the form of Judge Minty:
And blogging about franchises and pipe dreams, the Games Workshop properties (that is Warhammer & Warhammer 40K) have been a fan's wet dream for a long time. Or ever since Peter Jackson proved that he could make his come true.
"Ultramarines: A Warhammer 40,000 Movie" had the same fate with Dredd, if not worse, due to its nonexistent cinematic release.
Two Warhammer 40K fan-films (both, still in production) have surfaced: