Lang spoke about his character Shrike:
"I don't know what the future holds for Shrike, or if there is a future. I sure hope so because I love this role, and I'm not finished with it..."
It was very clear during the promotion of the film that Lang had totally bought into the riole.
He knew the history of the character and I think he said he watched ballet videos on Youtube to help him get the feel of movement for Shrike so no surprise he feels invested in it.
We would love to see a sequel that features Shrike!
