- Earth-1: Marceline has no doppelganger on Earth-1. It is what allows her freedom to move about without worry of running into people that might know her.
- Earth-1 Flashpoint: This particular doppelganger is a college student at the University of Central City. While she lives in Central City, she was born in Paris and her father lives in Star City. She aspires to be a fashion designer.
- Earth-1 Doomworld: Leader of the Court of Owls, this doppelganger is dangerous. More ruthless than the League of Assassins, Marceline sends her Talons far and wide to do her bidding. Cross her and the Talons will be the last thing you see.
- Earth-41: This doppelganger was born and raised on Themyscira. She is an Amazonian through and through. A true warrior who has worked and fought along side Diana Prince, or as the world calls her Wonder Woman.
- Earth-49: Living in a town that was technologically advanced, this doppelganger is a really good hacker. She even has a few holo-tattoos, as well as a few neuro-net upgrades that keep her connected to the web.
- Earth-80: On this Earth, Marceline was a rebellious kid. Eventually she grew up and played for a band. The band eventually noticed, and now she is a punk rock singer and guitarist for the band, The Nocturnals.
- Earth-83: Marceline had been a world class explorer and archeologist. She was on her way from Japan back to France when her plane crashed on an island. Over the course of her stay on the island, she learned to survive, and in the process found that legends bore truth. Though she managed to escape the island, later she learned that the island was called Lian Yu.
- Earth-86: Effected by the Dark Matter that released from the Particle Accelerator, Marceline gained the ability to cause sonic waves with her voice. Eventually she learned to control her powers and became a hero by the name of Canary.
- Earth-207: Having graduated from college, Marceline has become a world class Fashionista. She is often seen on the covers of magazines for her latest Fashion she has designed.
- Earth-312: There isn't a magazine on this Earth that doesn't have Marceline modeling in it. She is famous all across the Earth, but she has never had a chance to model anything for the city of Atlantis.
- Earth-313: Revolutionist turned Vigilante, this Marceline currently lives on Earth-1. Having "died" on her Earth, she has found a new life on her new adopted Earth.
- Earth-314: A dark reflection of Earth-313, this doppelganger had a similar origins, but one decision changed her course. Instead of being a Revolutionist, she turned serial killer. Once crossing paths with Earth-313, she is the reason Earth-313 will never take a life.
- Earth-315: Mother by day, Hero by Night. This doppelganger was the mother of Esmeralda DeLeon. Unfortunately when the Dominators attacked, she saved her daughter by throwing her through the Multiverse. She along with most of Earth-315 were lost in the war that ensued. Now her daughter is living on Earth-1, and been at least partially adopted by Marceline of Earth-313.
- Earth-316: Growing up, this doppelganger enjoyed courtroom dramas. It wouldn't be til much later in her life that she would become a lawyer to help those who were falsely accused of a crime.
- Earth-414: If you're looking for the best detective on this Earth, look no further. Marceline is the quite the Private Investigator. She tackles the weirdest of the weird cases.
- Earth-650: Attracted to the stage in Highschool, Marceline became a world class actress. While most of her movie roles were similar, she really shined in television. Her current show she headlines is called The Owl, a show about a Vigilante by night and a news reporter by day.
- Earth-707: One dark and dreary night, Marceline was attacked by a vampire, now centuries later, she stalks at night. Though she is careful not to kill when she hungers for blood, she has been known to black out when her thirst is to great.
