Jan 1, 1967 CE
First Appearance in X-Men #28
Sean Cassidy, an Interpol inspector with a sonic scream, debuts as a villain-turned-ally in X-Men #28. He helps the X-Men defeat the villain Factor Three. #marvel #xmen )
Chronological Storyline (33 Milestones)
Aug 1, 1969 CE
Joins the X-Men in Giant-Size X-Men #1
Banshee is recruited by Professor X to join the new team of X-Men in Giant-Size X-Men #1, alongside Storm, Colossus, Nightcrawler, and others. He becomes a core member. #marvel #xmen
May 1, 1975 CE
X-Men #94: Banshee's First Mission with New Team
Banshee participates in the new X-Men's first mission against Count Nefaria in X-Men #94. He proves his worth as a team player. #marvel #xmen )
Jan 1, 1976 CE
Romance with Moira MacTaggert Begins
Banshee develops a romantic relationship with geneticist Moira MacTaggert, a recurring love interest. Their relationship is explored in X-Men #96 and subsequent issues. #marvel #xmen
Jan 1, 1977 CE
Banshee Loses His Powers Temporarily
In X-Men #104, Banshee's sonic scream is neutralized by the villain Mesmero, leading to a storyline where he struggles without his powers. #marvel #xmen )
Jan 1, 1980 CE
X-Men #129: Banshee Leaves the Team
After the Dark Phoenix Saga, Banshee decides to leave the X-Men to pursue a quieter life with Moira in Scotland. He appears sporadically afterward. #marvel #xmen )
Jan 1, 1981 CE
Banshee Returns in X-Men #140
Banshee returns to help the X-Men against the mutant-hunting Sentinels. He rejoins the team for a brief period. #marvel #xmen )
Jan 1, 1984 CE
Banshee's Niece Siryn Debuts
Banshee's cousin's daughter, Theresa Cassidy (Siryn), debuts in X-Men #130. She later becomes a member of X-Force and shares his sonic powers. #marvel #xmen
Jan 1, 1986 CE
Banshee Joins the New Mutants
Banshee becomes a mentor to the New Mutants in New Mutants #46, helping train the younger generation. #marvel #xmen
Jan 1, 1988 CE
Banshee and Moira Marry
Sean Cassidy and Moira MacTaggert marry in a quiet ceremony. Their marriage is later strained by Moira's secret work. #marvel #xmen
Jan 1, 1991 CE
Banshee Becomes Headmaster of Generation X
Banshee and Emma Frost become co-headmasters of the Generation X school in Generation X #1. He mentors young mutants like Jubilee and Chamber. #marvel #xmen )
Jan 1, 1994 CE
Generation X #1: New Team Launched
The Generation X series begins, focusing on Banshee and Emma Frost training a new team of teenage mutants. The series runs for 75 issues. #marvel #xmen )
Jan 1, 1997 CE
Banshee's Powers Evolve: Sonic Flight
In Generation X #25, Banshee discovers he can use his sonic scream to fly, enhancing his mobility. #marvel #xmen )
Jan 1, 1999 CE
Generation X Ends; Banshee Retires
Generation X concludes with issue #75. Banshee retires from active duty, but remains a supporting character. #marvel #xmen )
Jan 1, 2001 CE
Banshee Killed by Black Tom Cassidy
In X-Men #108, Banshee is murdered by his cousin Black Tom Cassidy during a confrontation. His death shocks the X-Men. #marvel #xmen )
Jan 1, 2002 CE
Banshee Returns as a Ghost
Banshee appears as a ghostly apparition in X-Men #110, guiding his daughter Siryn. He is later resurrected. #marvel #xmen )
Jan 1, 2004 CE
Banshee Resurrected in X-Men: Deadly Genesis
Banshee is resurrected by the mutant Vulcan in the Deadly Genesis storyline. He returns to the X-Men. #marvel #xmen
Jan 1, 2006 CE
Banshee Joins the X-Men Again
After resurrection, Banshee rejoins the X-Men in Uncanny X-Men #475. He participates in the fight against the Marauders. #marvel #xmen
Jan 1, 2007 CE
Banshee Loses His Powers Again
During the Messiah Complex storyline, Banshee's powers are drained by the mutant predator Predator X. He becomes powerless. #marvel #xmen
Jan 1, 2008 CE
Banshee Becomes a Teacher at the Jean Grey School
Banshee becomes a faculty member at the Jean Grey School for Higher Learning, teaching young mutants. #marvel #xmen
Jan 1, 2010 CE
Banshee's Powers Restored by the Phoenix Force
During the Avengers vs. X-Men storyline, the Phoenix Force restores Banshee's powers. He gains new abilities. #marvel #xmen
Jan 1, 2012 CE
Banshee Killed Again by the Shadow King
In X-Men: Legacy #260, Banshee is killed by the Shadow King. He is later resurrected by the Celestial. #marvel #xmen
Jan 1, 2014 CE
Banshee Returns in The Age of Apocalypse
An alternate version of Banshee appears in the Age of Apocalypse storyline. He is a resistance fighter. #marvel #xmen
Jan 1, 2015 CE
Banshee in Secret Wars: Battleworld
Banshee appears in the Secret Wars event, part of the X-Men '92 tie-in. He is a member of the X-Men. #marvel #xmen )
Jan 1, 2016 CE
Banshee Joins the X-Men Blue Team
In X-Men Blue #1, Banshee becomes a member of the time-displaced original X-Men's team. #marvel #xmen
Jan 1, 2017 CE
Banshee's Daughter Siryn Dies
Siryn is killed in X-Men Blue #12, causing Banshee great grief. He later helps defeat the villain. #marvel #xmen
Jan 1, 2018 CE
Banshee Appears in X-Men: The Exterminated
Banshee is featured in the one-shot X-Men: The Exterminated, dealing with the aftermath of the Extermination event. #marvel #xmen )
Jan 1, 2019 CE
Banshee in House of X and Powers of X
Banshee appears in the House of X and Powers of X storyline, part of the new X-Men status quo on Krakoa. #marvel #xmen
Jan 1, 2020 CE
Banshee Becomes a Member of the Quiet Council
Banshee is appointed to the Quiet Council, the ruling body of Krakoa, representing the X-Men. #marvel #xmen
Jan 1, 2021 CE
Banshee's Role in X-Men: The Trial of Magneto
Banshee plays a supporting role in the Trial of Magneto storyline, helping to investigate Wanda Maximoff's death. #marvel #xmen
Jan 1, 2022 CE
Banshee in X-Men: Destiny of X
Banshee appears in the Destiny of X era, continuing his role as a mentor and council member. #marvel #xmen
Jan 1, 2023 CE
Banshee's Powers Amplified by the Krakoa Era
In the Krakoa era, Banshee's sonic powers are amplified by Krakoa's technology, making him more powerful. #marvel #xmen )
Jan 1, 2024 CE
Banshee Featured in X-Men: The Animated Series Revival
Banshee appears in the revival of X-Men: The Animated Series, 'X-Men '97', as a supporting character. #marvel #xmen
By Marvel Animation - Disney+, Public domain, https://commons.wikimedia.org/w/index.php?curid=147552025