Plastic-less box set required here.
This is exactly what a plasticless box set would cover. I'd like to think players will be able to create their own campaigns. The Plastic-less set could have new tiles (even some being copies of existing tiles), a list of maps that could be generated, then a few charts of Campaign objectives, story arcs, episode lists, etc.
Really, FFG already have this stuff, it's all in their own parameters. It just depends if they're willing to let out some Intellectual Property. I guess maybe, once they've had their own run, it will be more open source and the community will take it over.