Table of Contents

Cassandra Lang

Part 1: The Dossier: An At-a-Glance Summary

Part 2: Origin and Evolution

Publication History and Creation

Cassandra Lang first appeared in Marvel Premiere #47 in April 1979. She was created by writer David Michelinie and artist John Byrne as a supporting character in the origin story of her father, scott_lang. For decades, Cassie's role was primarily that of a civilian daughter, often serving as Scott's moral compass and the reason for his heroic endeavors. She was depicted as a young child with a congenital heart condition, the very illness that motivated Scott to steal Hank Pym's Ant-Man equipment in the first place. Her transformation from a background character to a full-fledged superhero occurred over 25 years later. The creative team of writer Allan Heinberg and artist Jim Cheung re-envisioned Cassie for a new generation in their seminal 2005 series, Young Avengers. In Young Avengers #1, she was introduced as a teenager determined to join the new team, and by issue #6 (May 2005), she officially debuted her superhero persona, Stature. This evolution was a landmark moment, elevating her from a legacy character in name only to a central figure in the Marvel Universe, cementing her place as a fan-favorite hero. Her later identity as Stinger, adopted in The Astonishing Ant-Man #6 (May 2016), further evolved her character, giving her a new power set and a codename that honored both her father and Hank Pym.

In-Universe Origin Story

The origin of Cassie Lang as a hero is a tale told differently across Marvel's two primary continuities. While both versions are rooted in her relationship with her father, the mechanics of her powers and the catalyst for her heroism diverge significantly.

Earth-616 (Prime Comic Universe)

Cassandra Lang's journey in the comics is one of tragedy, determination, and rebirth. Born with a serious heart defect, her life was saved only when her father, Scott Lang, stole the Ant-Man suit and Pym Particles from Dr. hank_pym to rescue the one surgeon who could help her. Growing up, she idolized her father, viewing him as the greatest hero in the world, even when he was in prison. She lived primarily with her mother, Peggy Rae, and later her stepfather, police officer Blake Burdick, who harbored a deep dislike for superheroes, creating a tense home environment for the hero-worshipping Cassie. The turning point in her life was the catastrophic event known as Avengers Disassembled, during which a mentally unstable scarlet_witch caused the deaths of several Avengers, including her father, Scott Lang. Devastated by the loss, a teenage Cassie planned to run away to Los Angeles and join the Runaways. Before she could leave, she learned of a new team of teenage heroes, the young_avengers, and saw her chance to honor her father's legacy. She sought out the team at the ruins of Avengers Mansion, alongside Kate Bishop. Initially, Cassie claimed to have powers from Pym Particles, a lie born from her desperation to be a hero. However, the truth was far more complex. Over years of childhood exposure to trace amounts of Pym Particles from her father's suit and equipment, her physiology had fundamentally changed. Her latent powers were psychobiological, directly linked to her emotional state. A fit of anger or passion would cause her to grow to tremendous heights, while feelings of guilt or shame would cause her to shrink. After a heated argument with her mother and stepfather, she uncontrollably grew, bursting through the roof of her home and revealing her powers to the world. She adopted the codename Stature and became a core member of the Young Avengers, finally fulfilling her lifelong dream of being a hero like her dad.

Marvel Cinematic Universe (MCU)

In the MCU, Cassie Lang's path to heroism is one defined by loss, intellect, and technological innovation. Portrayed as a young child by Abby Ryder Fortson in Ant-Man (2015) and Ant-Man and the Wasp (2018), she is the unwavering emotional anchor for her father, Scott Lang. Her innocent belief in him as a hero is a primary motivator for his redemption. She shows an early interest in his adventures, asking for her own suit and partnership. Her life was irrevocably altered by Thanos's “Snap” at the end of Avengers: Infinity War. Scott Lang was trapped in the Quantum Realm, and Cassie, like half of all life, was left to believe he had perished in the Decimation. During the five-year period known as “The Blip,” Cassie (portrayed by Emma Fuhrmann in Avengers: Endgame) grew from a child into a teenager, mourning her father. By the events of Ant-Man and the Wasp: Quantumania (2023), with Kathryn Newton in the role, Cassie has blossomed into a brilliant and rebellious young adult. Shaped by the Blip and the world's subsequent turmoil, she has become a passionate activist with a knack for science and engineering. Having spent years around Hank Pym and Hope van Dyne, she secretly studied their work on Pym Particles and the Quantum Realm. Her genius led her to build a deep-space satellite capable of sending a signal into the subatomic universe—a feat that inadvertently alerts kang_the_conqueror and pulls her entire family into the Quantum Realm. It is here that her “origin” as a hero truly begins. She dons her own purple Ant-Man-style suit, which she designed herself, and demonstrates a natural talent for using Pym Particles to grow, shrink, and fight. Unlike her comic counterpart's initially biological powers, the MCU Cassie is a tech-based hero from the start, a prodigy whose powers are a direct result of her own intellect and scientific prowess.

Part 3: Powers, Abilities & Equipment

Cassie's powers and methods have evolved over time, particularly in the comics, but her core ability remains consistent: the power to radically change her size.

Earth-616 (Prime Comic Universe)

Marvel Cinematic Universe (MCU)

The MCU's version of Cassie is a purely tech-based hero, with her abilities stemming from her self-designed suit and her natural intellect.

Part 4: Key Relationships & Network

Cassie Lang's identity is deeply intertwined with the people around her, from the family she fights for to the teammates who became her new family.

Core Allies

Arch-Enemies

Affiliations

Part 5: Iconic Events & Storylines

Young Avengers (2005-2006)

This is Cassie's definitive origin story as a hero. The series follows her as she joins the newly formed team, discovers the emotional nature of her powers, and takes on the name Stature. It establishes her core relationships with Kate Bishop, Patriot, Hulkling, Wiccan, and Speed. The central conflict involves the team's battle against Kang the Conqueror, which is deeply personal for Cassie due to her burgeoning romance with the team's founder, Iron Lad. The storyline perfectly captures her youthful enthusiasm, her deep desire to live up to her father's legacy, and the immense stakes she is willing to face.

Civil War

During the superhero Civil War, Cassie and the Young Avengers sided with captain_america and his anti-registration Secret Avengers. This decision put her in direct opposition to her heroes, iron_man and Hank Pym. Cassie was a vocal opponent of the Superhuman Registration Act, arguing passionately that heroes shouldn't be forced to reveal their identities. The event tested her idealism and forced her to grow up quickly. Her participation in the final battle, where she witnesses the death of Goliath (Bill Foster), another size-changing hero, profoundly impacts her understanding of the costs of their conflict.

Avengers: The Children's Crusade

This nine-issue epic is arguably the most significant and tragic event in Cassie's history. The story sees the Young Avengers searching for the missing Scarlet Witch, hoping she can use her reality-warping powers to resurrect Wiccan's long-lost twin brother, Speed. Their quest puts them in conflict with the Avengers, the X-Men, and ultimately, a fully-powered Doctor Doom. In the climactic battle, Cassie confronts Doom directly, believing her size and strength can stop him. In a shocking and heartbreaking moment, Doom unleashes a powerful blast that kills her instantly. Her heroic sacrifice devastates her teammates and her newly-resurrected father, Scott Lang, and serves as a dark turning point for the Young Avengers.

AXIS & The Astonishing Ant-Man

Cassie remained dead for several years in comic book time. Her resurrection came during the AXIS event, where a “heroic” Doctor Doom, plagued by guilt over his past deeds, used a combination of Pym Particles and Scarlet Witch's magic to bring her back to life. However, she returned without her innate powers. The subsequent series, The Astonishing Ant-Man, explores her difficult adjustment to a normal life. She struggles with her father's overprotective nature and her own feelings of powerlessness. This leads her to seek out the Power Broker, who grants her a new suit and power set, allowing her to be reborn as the hero Stinger. This arc showcases her resilience and unwavering determination to be a hero, no matter the cost.

Part 6: Variants and Alternative Versions

See Also

Notes and Trivia

1) 2) 3) 4) 5) 6) 7)

1)
Cassandra Lang's first appearance was in Marvel Premiere #47 (1979) as Scott Lang's daughter. Her first appearance as the hero Stature was in Young Avengers #6 (2005).
2)
The three actresses to portray Cassie Lang in the MCU are Abby Ryder Fortson (child), Emma Fuhrmann (teenager in Avengers: Endgame), and Kathryn Newton (young adult in Ant-Man and the Wasp: Quantumania).
3)
In the comics, Cassie's stepfather, Blake Burdick, was deeply prejudiced against superheroes and mutants. He even once called the mutant-hunting authorities on one of Cassie's friends.
4)
The emotional trigger for Cassie's powers was eventually revealed to be a psychological block. After extensive training with Captain America, she gained full conscious control over her size-shifting abilities.
5)
Her heroic codename “Stature” was chosen to reflect her desire to grow, not just in size, but also in importance and in the eyes of her late father.
6)
The Stinger identity in the main Earth-616 continuity was a direct homage to Cassie's future counterpart from the MC2 universe, who had used the name for years.
7)
During the Secret Invasion storyline, Cassie fought against the Skrulls in both New York and Camp Hammond, proving her mettle against a global threat.