The character on which the Shadowland storyline centers first appeared in print in what year?
Shadowland (comics): "Shadowland" is a 2010 Marvel Comics storyline centering on Daredevil and other "street-level" superheroes in the Marvel Universe. Daredevil (Marvel Comics character):  The character first appeared in "Daredevil" #1 (April 1964).
1964