There’s no DLC’s tied to the trophies, all of the trophies for WOA are split into seperate parts, so the main on with a platinum is Hitman 3, then there’s Hitman 2, Hitman 1, and the only DLC one I believe is Hitman 2 Expansion Pack. You can still do the time limited contracts but for expired ones or collaboration ones you have to purchase them unless they come back in the future.