"Green Lantern" stars Canadian actor Ryan Reynolds as test pilot 'Hal Jordan' who is given cosmic powers to become Earth's "Green Lantern" superhero, with the ability to transmute 'green energy' into solid mass.
According to Campbell some of the 'alien' comic book characters set to appear in the film will include 'Kilowog', "Tomar-Re', 'Abin-Sur' and the villain 'Sinestro'.
'Carol', Hal Jordan's girlfriend is played by actress Blake Lively.
"The origin story of Green Lantern is complex, probably one of the most complex, which makes it a challenge to get it right..."
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