Take a look at these movie-plot threats - you don't need to read everything, just enough to get a sense of the genre of the "movie-plot threat".
The First Movie-Plot Threat Contest rules and winner. The Second Movie-Plot Threat Contest rules, semifinalists, and winner. The Third Movie-Plot Threat Contest rules, semifinalists, and winner. The Fourth Movie-Plot Threat Contest rules and winner. The Fifth Movie-Plot Threat Contest rules, semifinalists, and winner. The Sixth Movie-Plot Threat Contest rules, semifinalists, and winner.