The film is based on a original concept by Paul Jenkins and Robert Prior. The story centers on an assassin that has a rare blood type that allows him to be tattooed with a ink that can be used as a weapon.
Here is what the producer Rick Schwartz had to say about the actor joining the film.
"Kellan was in the foreground and the background of the Twilight Saga films, but he is a formidable physical presence and this is an opportunity for him to step up.
Production will begin March 2013 in Toronto.