Spider-Man Vol 1 #26

Giant-Sized 30th Anniversary Special.

Silver hologram cover.

"With Great Responsibility!"

While pursuing two small-time criminals, the web-slinger crosses paths with the nephew of the infamous burglar -- who killed his Uncle Ben.

After Spider-Man catches the criminals, he has to decide what to do about the nephew -- who might become a burglar too.

Appearance by Mary Jane Watson. Retelling of Spider-Man's origin.

Second story: "These Great Powers!" 

Peter explains all his spider-powers to Mary Jane.

(Note: This issue includes a gatefold poster featuring Spider-Man, Captain America, and the Silver Surfer by Ron Lim and Jim Sanders III.)