Chloe Sullivan was created for the TV Series "Smallville" and was played by the actress Allison Mack. After 10 years, Chloes was introduced into the DC comics. After the relaunch of 2011, her fate is unknown. Maybe she was erased from the history.
Smallville Season 11 (Comics)
After the end of the TV series, Chloe is still a part of the "Smallville"-Universe. Chloe is still married to Green Arrow and is now known as Chloe Sullivan-Queen. Together with her husband, she was in Metropolis for a short time. But after both of them want to heading back to Star City something crashed into the orbit of the Earth. She decided to stay a little bit longer and tried to figure out, what exactly crashed down. That's why she begged Emil Hamilton for help.
New Earth (Mainstream DC Comics)"Chloe S."
She was mentioned two times before her official appearance in the DCU. The first time was in the Comic Superman: Secret Origin #1. There was a close-up shot of Pete Ross cast with the name "Chloe S." on it. The second time was in the Comic Superman: Secret Origin #4. There was a post-it on Lois Lane's desk with the words "Call Chloe".
Chloe Sullivan debuted in the DC universe, in Action Comics #893 with Jimmy Olsen in 2010. Chloe Sullivan is a reporter for the online newspaper metropolitan.com and was dating Jimmy until he got too obsessed with Superman being gone that she broke up with him. The next time Jimmy sees her is at a club with Sebastien Mallory. At first he thinks they are dating but, she is just doing a story on him. As he confronts them an
Powers and AbilitiesHealing
In both realities, "New Earth" and "Smallville", Chloe is an excellent researcher, specializing in the field of investigative journalism. She is also an excellent computer hacker, skilled enough to break into even the most elaborate computer systems. Also, she has showed unarmed combat skills and self-defense.
In Smallville, Chloe had healing powers due the exposition to green meteor rock. The specific term to nominate this power is "Empathic healing", cause she connects in a empathic way to heal. This power is powerful enough to resurrect someone, but it subtracts his life, she literally gives them her own life-force, thereby causing her own death. She can resurrect, depending a variety of factors which are not have revealed. Chloe will remain inert for several hours before returning to life. This power was nullified due Brainiac's attack.
Smallville (TV Series)Allison Mack as Chloe Sullivan
The character of Chloe Sullivan was created for the TV Series "Smallville" and was played by the actress Allison Mack. Soon after the beginning of the series, Chloe became a fan favorite. Besides her small role in the finale season of the series, Chloe is a part of every season. It was later revealed, that she's the cousin of Lois Lane.
She was introduced as one of Clark Kents (aka Superman) best friends. She was born in Metropolis but moved with her father to Smallville after her parents divorce. At the High School she formed a strong friendship with Pete Ross and Lana Lang. In her senior year, she figured out Clarks Power and later she became his "sidekick". She went to college and later became a reporter for the Daily Planet. After her second year as a reporter, Chloe met Jimmy Olsen again. Both know each other since their internship at the Planet, back in High School. They became a couple again but it wasn't easy for both of them. Chloe tried to keep Clarks secret from Jimmy and he was jealous about him. Their on and off relationship ended with a marriage but after the wedding, Jimmy was wounded by Doomsday. After he came back from a hospital in Star City, they broke up again. Jimmy couldn't trust Chloe anymore. A few weeks later, Jimmy figured out Clarks powers by himself and they get back together but quickly after their "first" kiss, Jimmy was killed by Doomsday.
After his death, Chloe threw herself into her role as the Watchtower of the Justice League of America. Soon after, Chloe and Green Arrow began a relationship but it ended disastrous. Oliver was kidnapped by the Suicide Squad. After Chloe put on the Helmet of Fate of the deceased Doctor Fate, she contacted the Suicide Squad and took the place of Oliver. Chloe was gone for months and she also tried to erase her own past. Later Chloe came back and was accidentally married to Oliver. They didn't cancle their marriage and moved to Star City, where she began to work as a reporter again. After the arrival of Apokolips came back to Metropolis to help Clark in his finale fight against Darkseid.