SPECTACULAR SPIDER-MAN (1976) #70

The mob boss known as Silvermane is seriously injured during the confrontation with vigilantes Cloak & Dagger, so his doctor creates a cybernetic body for him. Now endowed with superhuman powers, Silvermane hunts down Cloak & Dagger in order to make them pay for what they have done to him. Naturally, Spider-Man can’t stay away. Meanwhile, Peter Parker’s friend Debra Whitman wonders if she is going insane…