" Helena Bonham Carter is said to be among the cast currently filming and will apparently reprise her role as Bellatrix Lestrange.The short feature will reportedly be shown at The Wizarding World of Harry Potter at Universal Studios in Orlando, Florida.
It will also be made available at two new parks currently under construction, one of which will open in California in 2014 and another in Japan in 2016."
edit to add link. http://www.news.com.au/entertainment/movies/harry-potter-cast-reunite-for-secret-film/story-e6frfmvr-1226534811706
I would love to be proven wrong though!
So far, to me it looks like the new Gringott's ride will be cheaper to build and maintain. The robot arms and specialized (crazy rotating wagon wheel) screen systems in FJ have got to be more expensive to maintain (moving projectors probably need more calibration and tweaking vs stationary projectors like that of spiderman, transformers, or apparently gringotts). Even the shear number of projectors needed for FJ is staggering when you think about it.
Disney doesn't build the same castle in multiple parks, so why should Universal? I'm probably just being greedy and want to keep it all to myself here in Florida.