Quotes
Steve Rogers: Stark, are you seeing this?
Tony Stark: Seeing, yes, still working on believing.
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The Avengers (2012) - 0 major mistakes
Directed by Joss Whedon, starring Chris Evans, Chris Hemsworth, Clark Gregg, Cobie Smulders, Gwyneth Paltrow, Jeremy Renner, Mark Ruffalo, Robert Downey Jr., Samuel L. Jackson, Scarlett Johansson, Stellan Skarsgard, Tom Hiddleston (add more)
I'm afraid there aren't any mistakes listed for this film.