Will 'Thor: The Dark World' measure up?
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6. 'X-Men: First Class'
Release date: 2011
Director: Matthew Vaughn
Best moment: Michael Fassbender hunting Nazis. Never not awesome.
Legacy: This was a risky idea, especially in a franchise that's already had some pretty pronounced hiccups in continuity, but pulling it off to the degree that they did set the table for "Days Of Future Past," and it created two very different casts, both equally well-liked by fans, who the studio can turn to depending on which stories they're telling.