The 1980s produced some of the most iconic action movies of all time, but only a lucky few spawned the franchises that are still associated with this era. For the rest, one classic movie was not enough to secure a succession of sequels – or sometimes even a single follow-up – despite popular acclaim from fans. As a result, there are a surprising number of great 80s action movies that are yet to build on their legacy, for all their initial success.