The television landscape is about to get a bit more crowded as far as superheroes are concerned, as NBC has just greenlit a pilot for Constantine.  Based on the DC Comics character John Constantine, the script for the project was written by Daniel Cerone (The Mentalist) and David S. Goyer (Man of Steel).  Constantine is "an enigmatic and irreverent con man-turned-reluctant supernatural detective who is thrust into the role of defending us against dark forces from beyond."  Hit the jump for more.

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As Deadline reports, Constantine is headed to NBC as a pilot, making it the latest development between Warner Bros. TV and DC Comics.  The character first appeared in 1985 in Alan Moore, Steve Bissette and Jamie Delano's "The Saga of the Swamp Thing".  Constantine might be best known from the 2005 feature film that starred Keanu Reeves in the title role, but the character is also rumored to be included in Guillermo del Toro's Justice League Dark project set up at Warner Bros.  It's far too early to tell if the TV version and film version will have any crossover in the future, but with Arrow, Gotham, The Flash and Marvel's Agents of S.H.I.E.L.D. already staking out small screen territory, we're rapidly approaching the superhero saturation point.

Are there too many comic book shows coming to TV and cinemas?  Is there room for more?  Have you hit your limit of these types of adaptations, or can you just not get enough?  Perhaps you'd like to suggest a property that would be great for either the big or small screen but hasn't been announced yet.  Either way, let us know your thoughts in the comments below!