Why can the Alien series become a classic?

Most actors don't want to repeat their classic screen roles, just as most directors don't want to make a sequel to this film. Only successful movies can make sequels, because the sequels of successful movies are the guarantee of box office. In the face of establishing a landmark classic film, taking over the sequel is tantamount to pushing yourself to the cusp of comparison between film critics and the media. It is necessary to avoid repetition and continuation. The so-called sequel's box office and word of mouth are very narrow, and the difficulty of guidance can be seen. Fortunately, the directors who made this film later were all talented artists, except for the third one, which was a classic. James Cameron, in particular, is a genius in making sequels, including Terminator 2. These sequels are equal to or exceed the first one in artistic effect and have achieved great success. There are really few such examples.

The reason why Alien Series can become a classic is that as a "series", it has gradually formed its own world framework in the process of continuous re-creation. It is not difficult to find that series of works occupy most of the classic works of magic and science fiction, but few single works can achieve classics. This is because one of the treasures of magic and science fiction themes lies in their unique and self-contained worldview, which makes the audience or readers seem to be in a brand-new world and even form a sense of belonging in the process of appreciating excellent works. Although it seems that the first part of Alien series is just a test of thriller science fiction, with the excavation of many details and foreshadowing in the second, third and fourth Alien Wars and the prequel, we find that a huge, mysterious and even seemingly inextricably linked alien world is unfolding before our eyes. In nearly eight and a half hours, the biggest feeling of four movies, including the latest Prometheus series, is that I don't know whether to be thankful for human beings or sad for aliens.

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