"Avengers: Age of Ultron": Concepts for Quicksilver's trail

Some of my concept works for "Age of Ultron"

Concepts for the silvery trail marking the passage of Pietro (AKA Quicksilver)

Concepts for the silvery trail marking the passage of Pietro (AKA Quicksilver)

Concepts for the silvery trail marking the passage of Pietro (AKA Quicksilver), on black

Concepts for the silvery trail marking the passage of Pietro (AKA Quicksilver), on black