who are the actors in it?
Robert Downey Jr., Chris Evans, Mark Ruffalo, Chris Hemsworth, Scarlett Johansson, and Jeremy Renner
The Avengers (2012 film)
it features an ensemble cast including Robert Downey Jr., Chris Evans, Mark Ruffalo, Chris Hemsworth, Scarlett Johansson, and Jeremy Renner as the Avengers, alongside Tom Hiddleston, Clark Gregg, Cobie Smulders, Stellan Skarsgård, and Samuel L. Jackson. 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.

when did the events of the avengers take place UNANSWERABLE what is the genre of this film? Superhero film is it based on any comic series? Yes - The Avengers are a fictional team of superheroes appearing in American comic books published by Marvel Comics.
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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).