This is a copy of Daredevil #91 published by Marvel Comics in 1972.
 
Cover pencils by Gil Kane, inks by Joe Sinnott. Fear Is the Key!, script by Gerry Conway, pencils by Gene Colan, inks by Tom Palmer; Black Widow tracks down Danny French believing he and his access to the power of Project Four is the cause of her recent panic attacks but finds that she is wrong; DD discovers that Mr. Fear is behind the recent bouts of terror and that the villain is actually fellow lawyer Larry Cranston bent on revenge. 36 pgs