Green Lantern: Sleepers Series by Christopher J. Priest, Michael Ahn, Mike Baron

Kyle Raynor is Green Lantern, a member of the Justice League of America and a space-traveling super hero who is the current heir to one of the most powerful forces in the known universe: the Green Lantern power ring. But he's got a problem: his girlfriend has just taken a liking to an average Joe who is about to be transformed into the most powerful villain Earth has ever faced... moreKyle Raynor is Green Lantern, a member of the Justice League of America and a space-traveling super hero who is the current heir to one of the most powerful forces in the known universe: the Green Lantern power ring. But he's got a problem: his girlfriend has just taken a liking to an average Joe who is about to be transformed into the most powerful villain Earth has ever faced. Green Lantern must stop the evil Sinestro and the invading hordes of aliens determined to destroy humanity and take over Earth. less

Scott enters World War II to fight a 17th-century supervillain named Malvolio, an anti-Green Lantern who wants to take over the world. Malvolio decides to cut a deal with Hitler that endangers the entire Allied campaign in Europe and the Pacific. Not one to think small, he is determined to eliminate the entire Green Lantern Corps.

Stripped of his Green Lantern powers, Hal Jordan must use all his wits to batlle the archvillain Sinestro and his army of clones, only to discover that he may be forced to sacrifice his own life by taking the Sinestro power rings on a one-way odyssey into the anti-matter universe.