Do you need to see the first two to understand the third?

Not really. There are some connections but they are just details. It's really like a new beginning.

I'd say no. It's a prequel, so it would be handy to know the story that follows, but I don't think you need to know anything about the first two to enjoy this movie.
It's set 5 years or something before the first film, so yeah, give it a go.

They are all strongly connected to one another. But it's written in a way that you could easily watch the films as 1,2,3 or 3,1,2

Shows I've watched http://www.imdb.com/list/ls072583934/ Any suggestions?

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