Today saw the release of the trailer for SyFy's Superman prequel Krypton series, which is from David S. Goyer who happens to be developing the Green Lantern Corps movie.
IGN caught up with Goyer who revealed the movie is "still in the works."
Regarding when fans can expect the Green Lanter Corps movie, Goyer offered: "I don't know. Who knows, especially with what's currently going on with the DC universe? There's obviously a whole recalibration happening with that right now."
The changes David Goyer refers to is the announcement of Walter Hamada as the president of DC-based film production.
An unconfirmed Green Lantern Corps movie description has it that the movie is: Lethal Weapon in space, and it’s based on a comic book origin story. The focus will be on two characters: Hal Jordan and John Stewart. The latter is an African American Marine sniper before he joined the Lantern Corps and the story very much focuses on his relationship with Jordan and the Corps.
Last year's Comic-Con saw DC release concept art featuring members of the Green Lantern Corps: