Also, Spider-Man uses Spider-Tracers, first depicted in 1964. That probably wasn’t the first time these were seen in fiction. https://marvel.fandom.com/wiki/Am

Also, Spider-Man uses Spider-Tracers, first depicted in 1964. That probably wasn’t the first time these were seen in fiction. https://marvel.fandom.com/wiki/Amazing_Spider-Man_Vol_1_11 https://marvel.fandom.com/wiki/Amazing_Spider-Man_Vol_1_11