Sometimes a creator or company will strike gold. A work (film, novel, etc) may spawn sequels, adaptations to other media, and a bonanza of merchandise. Usually, it'll take place in its own distinct universe, the author having significant autonomy, or the time and place keeping it off limit for crossovers, like Star Wars, Lord of the Rings or Harry Potter. Similar to Canon Welding, except usually done at a corporate level, and The Merch plays a much bigger role, if not the entire incentive. See also Massive Multiplayer Crossover. Examples of Modular Franchise include: