>How a(ina)ppropriate would it be for a 10 year old to see it?

That would depend on your guidelines for said 10 year old. It does have some violence and blood content but it's not overdone. (imho)

I don't remember it having much "language", it did evolve from a comic or "Graphic Novel" as they called it.

"people should NOT be afraid of their government, the government should be afraid of the people."

A shadowy character intends to blow up Parliment. "Remember, remember, the 5th of November."