The teaser here below has generated some buzz since it has been made available on the Internet.
It's not a real trailer of the upcoming Green Lantern movie.
But this fan made trailer was really well-done.
It shows john Stewart, the black-skin Green Lantern:
As we said in a former post (Green Lantern Movie), it is unclear which version of Green Lantern will be adapted.
So John Stewart may not be the one in the coming movie...