Comics, The Amazing Spider-Man Bronze Age Group. Marvel. 1975 This group includes issues #148- 153. Professor Warren revealed as the Jackal (#148). First appearance of the Spider-Man clone (#149). Professor Smythe and Spider-Slayer appearances (#150). Shocker appearance (#151). Shocker appearance. Gil Kane and John Romita Sr. cover (#152). Gil Kane and John Romita Sr. cover. Ross Andru art (#153). [6]