The origin of Super Villains: Tinkerer
https://en.wikipedia.org/wiki/Tinkerer_(Marvel_Comics)
Tinkerer (Phineas Mason) is a fictional character appearing in American comic books published by Marvel Comics. Created by Stan Lee and Steve Ditko, the character made his first appearance in The Amazing Spider-Man #2 (May 1963). The character has an almost superhuman gift of genius in engineering, able to invent sophisticated gadgets from nothing more than spare parts left over from ordinary household appliances.
The character has made appearances in television and various video games before making his cinematic debut in Spider-Man: Homecoming, portrayed by Michael Chernus.
The Tinkerer was a character creation by Stan Lee and Steve Ditko, as part of the original publication of The Amazing Spider-Man and made his first initial appearance in April 1963 in The Amazing Spider-Man #2 opposing Spider-Man as a villain.[1][2] It would however be several years before he would return, and in September 1976 in The Amazing Spider-Man #160 made his second appearance, once again opposing Spider-Man in a losing effort.[3]
In July 1978, the Tinkerer would be mentioned in The Amazing Spider-Man #182. This became his first mention in the publication as a supporting side character to the other villains.[4]
more at link...