Dec 1, 1998 CE
First Appearance of Siren (Hila)
Hila, the twin sister of Mera, first appears as Siren in Aquaman (vol. 5) #29. She is introduced as a Xebel rebel plotting to overthrow Atlantis. #DCComics #Aquaman #Siren )
Chronological Storyline (40 Milestones)
Jan 1, 1999 CE
Siren Impersonates Mera
In Aquaman (vol. 5) #30, Siren disguises herself as Mera to infiltrate Atlantis and steal classified information. #DCComics #Aquaman )
Mar 1, 1999 CE
Siren's True Identity Revealed
In Aquaman (vol. 5) #32, Aquaman and Mera discover Siren's impersonation. Siren escapes after a confrontation with Mera. #DCComics #Aquaman )
Jun 1, 1999 CE
Siren Kills King of Xebel
In Aquaman (vol. 5) #35, Siren assassinates the King of Xebel and takes command of the Xebel rebels, escalating the conflict with Atlantis. #DCComics #Aquaman #Villain )
Jan 1, 2000 CE
Siren Attacks Atlantis
In Aquaman (vol. 5) #43, Siren leads a full-scale assault on Atlantis using her hard-water weapons, nearly defeating Aquaman. #DCComics #Aquaman )
Jun 1, 2000 CE
Mera Defeats Siren
In Aquaman (vol. 5) #48, Mera confronts Hila and defeats her in personal combat, forcing Siren to retreat. #DCComics #Aquaman )
Feb 1, 2001 CE
Siren's Temporary Death
In Aquaman (vol. 5) #57, Siren is seemingly killed by a massive explosion during a battle with Aquaman. #DCComics #Aquaman )
May 1, 2004 CE
Return of Siren in 'Sub Diego'
In Aquaman (vol. 6) #13, Siren resurfaces alive during the 'Sub Diego' storyline, revealing she survived the explosion and has enhanced hard-water powers. #DCComics #Aquaman )
Aug 1, 2004 CE
Siren Allies with Black Manta
In Aquaman (vol. 6) #16, Siren forms an uneasy alliance with Black Manta to attack Aquaman and Atlantis. #DCComics #Aquaman )
Mar 1, 2005 CE
Siren Betrays Black Manta
In Aquaman (vol. 6) #22, Siren betrays Black Manta and takes control of his weapons, seeking power for herself. #DCComics #Aquaman )
Nov 1, 2005 CE
Siren's Encounter with the Others
In Aquaman: Sword of Atlantis #45, Siren clashes with the team of adventurers known as the Others, seeking an ancient artifact. #DCComics #Aquaman )
Jun 1, 2006 CE
Siren's Role in 'Infinite Crisis'
During Infinite Crisis, Siren appears as a minor antagonist in Aquaman tie-ins, taking advantage of the chaos. #DCComics #Aquaman #Crisis )
Mar 1, 2007 CE
Siren Captured by Aquaman
In Aquaman (vol. 7) #51, Aquaman finally captures Siren and imprisons her in the Atlantean dungeons. #DCComics #Aquaman )
Jan 1, 2008 CE
Siren's Escape
In Aquaman (vol. 7) #58, Siren escapes from prison with help from loyal Xebel agents. #DCComics #Aquaman )
Aug 1, 2009 CE
Siren Becomes a Pirate Queen
In Aquaman (vol. 7) #65, Hila takes over a band of sea pirates and uses them to raid surface ships, gathering wealth for Xebel. #DCComics #Aquaman #Pirates )
Apr 1, 2010 CE
Siren's Attempt to Assassinate Mera
In Aquaman (vol. 7) #71, Siren infiltrates Atlantis again and attempts to kill Mera, but is thwarted by Aquaman. #DCComics #Aquaman )
Sep 1, 2011 CE
New 52 Reboot: Siren Reintroduced
In the New 52 continuity, Siren (Hila) appears in Aquaman (vol. 7) #0 as Mera's evil twin from Xebel with a hardened attitude. #DCComics #Aquaman #New52 )
Feb 1, 2012 CE
Siren Joins the Xebel Army
In Aquaman (vol. 7) #9, Siren is revealed to be a commander in the Xebel military, tasked with assassinating Aquaman. #DCComics #Aquaman )
Aug 1, 2012 CE
Siren vs. Aquaman in 'The Others'
In Aquaman (vol. 7) #14, Siren fights Aquaman alongside the Others during the hunt for the dead king's trident. #DCComics #Aquaman )
Apr 1, 2013 CE
Siren's Role in 'Throne of Atlantis'
In Aquaman (vol. 7) #18, Siren manipulates events to spark war between Atlantis and the surface world during the 'Throne of Atlantis' crossover. #DCComics #Aquaman #JusticeLeague )
Nov 1, 2013 CE
Siren Defeated by Mera
In Aquaman (vol. 7) #23, Mera defeats Siren in a brutal sisterly showdown, forcing her to flee. #DCComics #Aquaman #Mera )
Jun 1, 2014 CE
Siren Imprisoned Again
In Aquaman (vol. 7) #30, Siren is captured and imprisoned in the Atlantean prison for her crimes. #DCComics #Aquaman )
Mar 1, 2015 CE
Siren's Alliance with Ocean Master
In Aquaman (vol. 8) #49, Siren allies with Ocean Master (Orm) to overthrow Aquaman, but the alliance fails. #DCComics #Aquaman )
Jan 1, 2016 CE
Siren in 'Rebirth' Era
In Aquaman (vol. 8) #7, during DC Rebirth, Siren appears as a background antagonist in the 'Aquaman: The Drowning' storyline. #DCComics #Aquaman #Rebirth )
Apr 1, 2017 CE
Siren's Hard-Water Powers Evolve
In Aquaman (vol. 8) #22, Siren demonstrates new hard-water abilities, creating weapons that can cut through Atlantean armor. #DCComics #Aquaman #Powers )
Feb 1, 2018 CE
Siren's Involvement in 'Drowned Earth'
In Aquaman (vol. 8) #40, Siren plays a key role in the 'Drowned Earth' crossover, manipulating the Flood Gods for her own ends. #DCComics #Aquaman #DrownedEarth )
Sep 1, 2018 CE
Siren Kills a Member of the Aqua-Family
In Aquaman (vol. 8) #45, Siren murders Tula (Aquagirl) in a fit of rage, escalating her villainy. #DCComics #Aquaman #Villain )
Mar 1, 2019 CE
Siren's Temporary Redemption
In Aquaman (vol. 8) #50, Hila briefly helps Mera and Aquaman against a greater threat, but returns to her villainous ways. #DCComics #Aquaman )
Jan 1, 2020 CE
Siren Gains Control of Xebel
In Aquaman (vol. 9) #56, Siren successfully overthrows the Xebel council and declares herself queen. #DCComics #Aquaman #Xebel )
Jul 1, 2020 CE
Siren's War with Atlantis
In Aquaman (vol. 9) #62, Siren declares open war on Atlantis, leading a massive army of Xebel soldiers. #DCComics #Aquaman #War )
Feb 1, 2021 CE
Siren's Powers Boosted by Ocean Master
In Aquaman (vol. 9) #68, Ocean Master gives Siren a mystical artifact that enhances her hydrokinesis tenfold. #DCComics #Aquaman )
Aug 1, 2021 CE
Siren Defeated and Imprisoned in the Trench
In Aquaman (vol. 9) #74, Aquaman and Mera defeat Siren and imprison her in the Trench, a deep-sea prison. #DCComics #Aquaman )
May 1, 2022 CE
Siren Escapes the Trench
In Aquaman (vol. 9) #80, Siren escapes from the Trench with help from a mysterious sea creature. #DCComics #Aquaman )
Nov 1, 2022 CE
Siren's Alliance with Darkseid
In Aquaman (vol. 9) #85, Siren briefly allies with Darkseid during a multiversal crisis, but betrays him. #DCComics #Aquaman #Darkseid )
Apr 1, 2023 CE
Siren Faces the Aqua-Family
In Aquaman (vol. 10) #6, Siren battles the entire Aqua-Family (Aquaman, Mera, Aqualad, etc.) and is overwhelmed. #DCComics #Aquaman )
Aug 1, 2023 CE
Siren's Hard-Water Construct Army
In Aquaman (vol. 10) #9, Siren creates an army of hard-water constructs to attack Atlantis, showcasing her refined powers. #DCComics #Aquaman #Powers )
Jan 1, 2024 CE
Siren's Psychological Attack on Mera
In Aquaman (vol. 10) #12, Siren uses psychological warfare against Mera, reminding her of their shared traumatic past. #DCComics #Aquaman #Mera )
May 1, 2024 CE
Siren's Attempted Regicide
In Aquaman (vol. 10) #15, Siren attempts to assassinate King Aquaman during a diplomatic summit, but fails. #DCComics #Aquaman )
Sep 1, 2024 CE
Siren's Temporary Alliance with Justice League
In Aquaman (vol. 10) #18, Siren reluctantly allies with the Justice League to fight a common enemy, betraying them afterward. #DCComics #Aquaman #JusticeLeague )
Feb 1, 2025 CE
Siren's Final Confrontation with Mera
In Aquaman (vol. 10) #22, Mera confronts Hila in a final battle that results in Siren's apparent death. #DCComics #Aquaman #Mera )