who are the original avengers in the movies
Tony Stark, Steve Rogers, Bruce Banner, and Thor.
The Avengers (2012 film)
 In the film, Nick Fury and the spy agency S.H.I.E.L.D. recruit Tony Stark, Steve Rogers, Bruce Banner, and Thor to form a team capable of stopping Thor's brother Loki from subjugating Earth.

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The Avengers (2012 film) [SEP] Introduction
It grossed over $1.5 billion worldwide, setting numerous box office records and becoming the third-highest-grossing film of all time as well as the highest-grossing film of 2012. It is the first Marvel production to generate $1 billion in ticket sales. In 2017, "The Avengers" was featured as one of the 100 greatest films of all time in an "Empire" magazine poll. Three sequels have been released: "" (2015), "" (2018), and "" (2019).