Narrative Opening

This is the opening sequence to the film Kickass.

Enigma Code:

Why is there music over the titles?
Who is talking?
Who is standing on the building?
Why are they dressed in this way?
What building is he on?
Why did the man jump?
Who is Kick-Ass?

Action from the scene:

Man standing on building
People looking up
Man jumps off building and hits car

Semiotics?

The titles in the sky
Pan view over the city
Man dressed in superhero costume
The Yellow Taxi