Please talk about the relationship between Alien, Iron Warrior and Alien vs Iron Warrior. . . How many people are there?

Aliens have four references /view/69 173.html? Tp=0_ 1 1 There are three "iron warriors" /view/300327.html? Tp=0_ 1 1 Alien Wars Iron Warrior has two parts /view/ 120289.html? Tp=0_ 1 1 1979。 In the 20th century, Fox released Alien directed by ridley scott, which not only received rave reviews, but also opened a new era of science fiction movies, thus becoming an unquestionable classic. Subsequently, Alien 2, Alien 3 and Alien 4 directed by James Cameron, david fincher and jean pierre jeunet came out one after another. 1987, Fox created an iron warrior from outer space and conquered the audience again with the sci-fi plot of alternative violence. The launch of the sequel is logical. 1/The 4th century has passed, and Fox has combined aliens and iron warriors into one. This "Alien vs Iron Warrior" has become the most anticipated face-changing work in the history of science fiction.