AMAZING SPIDER-MAN 166 1st appearance Spider-Slayer Mark V (Robot)

1st appearance of Spider-Slayer Mark V (Robot) "War of the Reptile-Men!" Following his defeat at the hands of Stegron the Dinosaur Man, Spider-Man decides to go and seek the help of Curt Connors due to his expertise with lizards. However, Spider-Man arrives just as Connors had finished transforming into the Lizard once more and was on it's way out to attack Stegron itself. Spider-Man briefly tangles with the Lizard, who manages to escape. Going back into the Connors apartment, Spider-Man learns from Martha Connors of the situation and that Stegron has her son Billy hostage. Spider-Man vows to Martha that he will save Billy and restore Curt to normal once more.