In Fairness: 8/10 (as always, spoilers ahead)
Here is an interesting entry to the Marvel franchise because it is both a standalone film and a sequel; a continuation of the overarching story-line as well as an individual chapter. Someone totally new to the superhero genre or the Marvel Cinematic Universe could watch this film and still understand what is going on – but it will also work perfectly for all the avid fans who have seen the previous films and read their namesake comic books.
The smart thing that was done with Winter Solider was to make it a human story dressed up in a superhero film. It’s not so much about the wow factor as it is about the people within the story. And since then Marvel seems to have caught on to this principle and started to apply it to its other films. What this ends up doing is elevating what might have been just a typical action flick, a superhero bonanza, and turning it into a real story worth telling, and a movie worth watching.