Amazing Spiderman Vol 1 Issue 212

1st Appearance of Hydro-Man

"The Coming of Hydroman!" First appearance of Hydro-Man. Script by Denny O'Neil. Art by John Romita Jr. (breakdowns) and Jim Mooney (finishes). Cover by John Romita Jr. and Al Milgrom. The adventure with the Sub-Mariner is over! And now the cargo ship with the wall-crawling escort heads back into port. But before the vessel can dock, a bizarre accident sends a crewmember tumbling overboard near an experimental undersea generator! And instantly a new super-villain is born...Hydro-Man! Shortly thereafter Morrie Bench (aka Hydro-Man) starts settling scores with old enemies across the city! And Spider-Man is on his list! At high noon atop an NYC office building, Hydro-Man tries to drown the web-slinger! Does the amazing one need a life jacket? Cameo appearances by J. Jonah Jameson and Joe Robertson.

Picture of actual comic book