The Coming of Hydroman! #212
| Series | The Amazing Spider-Man |
| Number | Vol. 1 #212 |
| Publisher | Marvel Comics Group |
| Date | 1981-01 |
| Type | Comic Book, Softcover |
| Language | English |
| Artist | John Romita Jr., Jim Mooney |
| Colorist | Bob Sharen |
| Creator | Stan Lee |
| Editor | Al Milgrom |
| Editor In Chief | Jim Shooter |
| Letterer | Jim Novak |
| Writer | Denny O'Neil |
| Genre | Superhero |
| Notes | First appearance and origin of Hydroman. |
Added by mboe74