Imperial Assault Expansions Not Being Made?

By ThronedFlame, in Support

Hey new Imperial Assault player here. Trying to get the older expansions (Return to Hoth, Twin Shadows, Heart of the Empire) and some associated character packs. But I can’t find them for sale anywhere, and prices on eBay are ridiculous. Are these sets still being made or are they simply not being produced any more? I’ve been able to find the newer ones pretty easily and on sale, but I’m worried I might not get to experience the older expansions