* A comic book character named "Loose Cannon": There are several characters with this name, including:
* Loose Cannon (Marvel Comics): A character who first appeared in *The Amazing Spider-Man* #282 (1987).
* Loose Cannon (DC Comics): A villain who first appeared in *Detective Comics* #647 (1992).
* Loose Cannon (Wildstorm Comics): A character who first appeared in *Gen¹³* #1 (1998).
* A comic book series called "Loose Cannon": There are several series with this name, but they are usually associated with one of the above characters. For example, there was a *Loose Cannon* miniseries for the Marvel character in 1995.
* A comic book with a loose cannon theme: There are many comics with themes of rebellious characters or people who are unpredictable and dangerous, but they wouldn't be called "Loose Cannon".
Please specify which "Loose Cannon" you are referring to so I can give you the exact date of its creation.