"Bullseye" refers to the very center of a target, often marked with a small, round shape. It is used as a metaphor to describe hitting a specific goal or target with precision and accuracy. Full definition
Farrell's last superhero outing as Bullseye in Daredevil opposite Ben Affleck was not the best received and, given the actor will be tied up filming the new series of True Detective in the coming months, it may rule him out of the running. (independent.ie)