The chapter was closed on the superhero team that started it all in last year's 'Avengers: Endgame'.
By that, we mean we're taking 2012's 'Marvel Avengers Assemble'; and its sequels 'Age of Ultron', 'Infinity War' and 'Endgame' into account.
All four movies broke box office records worldwide and remain among the highest grossing movies of all time.
That means just about every Marvel fan has seen them. In fact, they've probably seen them multiple times in cinemas. And then again at home on DVD, Netflix, Disney+ etc.
But how well do you remember the Avengers movies?
Test your knowledge, then let us know your scores in the comments, and no cheating allowed!