Hal Jordan is an air-force pilot and a member of the Green Lantern Corps. He is the superhero known as Green Lantern.
Green Lantern witnessed a woman being abducted by a man in Gotham City. He came to her rescue and saved her from falling to her death. He confronted the kidnapper, revealing to be a Parademon alien. He almost got killed until Batman came to his rescue and saved him. The alien attacked them both, but they escaped from the police and chase the creature into the sewers, where it charged a Mother Box and exploded. Green Lantern and Batman examined the box, deducing that it was of extraterrestrial origin, and decided to ask Superman for an answer, they flew to Metropolis to find him.
They found Superman fighting another Parademon and he mistook Green Lantern and Batman as working for the aliens and attacked them. Green Lantern built a ball around him and Batman as Superman tried to punch the ball. The battle spread over a portion of the city; it finally stopped when Batman called Superman "Clark". Superman used his X-ray vision and recognized Batman as billionaire Bruce Wayne. Green Lantern asked who Bruce Wayne was, but neither answered. Batman said they thought the box was alien.
Batman tells Green Lantern his true name later in the movie to make sure Hal listens to his pep talk before rescuing Superman.
He makes many sarcastic quips. He doesn't think about the consequences of his actions, being more concerned with how to deal with the problem at hand.
Powers and AbilitiesEdit
- Powers Ring Grants:
- Energy Projection: Green Lantern's power ring allows him to create holograms or hard light constructs of anything that he can imagine such as a dragon, chains, a train, a giant fist, and even large, imaginary machines such as a large, tractor like vacuum. It also allows him to project beams and blasts of green energy. 
- Flight: The Green Lantern power ring allows Hal the ability of flight with the use of green, force field-like aura around them. 
- Resilience: The power ring's force field aura around his body makes durable enough to be completely bulletproof and survive Superman's attacks or being thrown into an exploding fuel tank without injury. Only Darkseid's strength and Omega Beams, as well as Ocean Master's trident, could harm him, with the former managing to break Hal's arm by gripping it.
- Power Ring: The power ring is the source of power of a Green Lantern and the most powerful weapon in the known universe. It is powered by the user's will and grants them the abilities to fly, fire energy beams, and create hard light constructs of anything that he can imagine. Hal also has a energy connection to the ring, able to will it back to his finger should he be separated from it.
- Intergalactic database: The Green Lantern power ring can scan anything, and tells the bearer what information it has in it's vast database. It was stated by Hal to Batman, that the ring knows everything the Guardians know, and the guardians know everything. Hal used his ring to scan a Mother Box, though there were no results. 
- Justice League: The Flashpoint Paradox
- Justice League: War
- Justice League: Throne of Atlantis
- Justice League vs. Teen Titans (mentioned)
- Justice League Dark (mentioned)
- The Death of Superman
- Reign of the Supermen
- Hal Jordan first appeared in Showcase #22 created by John Broome and Gil Kane.