Katie Power (Energizer, Starstreak, Counterweight)

Publication history

Katie aged from 5 to 6 in the original series; in the 2000 mini-series, she was 9 and in the 2005-2007 mini-series, she is 8. Based on the Loners miniseries, in which her sister Julie is portrayed as a 17-year-old, Katie’s current age in the Marvel Universe is believed to be 12.

Fictional character biography

Katie Power was born in Richmond, Virginia. Her full name is given as “Kate Power” in Power Pack #47. Katie was a founding member of the superhero team Power Pack. The youngest of the four Power siblings, she was only 5 years old when she was given her powers by Aelfyre Whitemane, a dying Kymellian noble. She continued to operate with Power Pack through their entire history.

Power Pack

When she first received her energy powers, Katie was a highly suggestible character. She was frequently goaded into using her powers by her siblings, and was responsible for significant damage to both buildings and some of Power Pack’s enemies. Her eldest brother, unofficial team leader Alex, bullied her to such an extent that she compared him to Power Pack’s archenemy, Queen Maraud.[2]

As the original series progressed, Katie grew into a much more assertive and sensitive individual. When she witnessed the physical damage she had done to Jakal and Kurse, she began to realize the magnitude of her actions. After her involvement in the Snark Wars, in which she saved her siblings’ lives, lost her energy powers and gained the flight/acceleration abilities formerly held by her sister Julie, Katie emerged as a stronger character and refused to use her powers to seriously harm people.[3]

After the Snark Wars, whenever possible, Katie attempted to act as a rescuer. During The Fall of the Mutants, Katie even tried to save Pestilence, in spite of the fact that the villain had just made her ill.[4][5]

In spite of her youth, Katie has been a key member of Power Pack, and has played major roles in most of the team’s battles. In numerous instances, she has rescued the entire team, uncovered crucial information and provided critical support in missions. When the Pack encountered Master Mold, for instance, Katie saved Franklin Richards’ life by flying right under the giant robot’s foot.[6] In a separate incident, Power Pack was captured by evil mutants called the Morlocks, and only Katie escaped. She managed to save her siblings with the help of some X-Men, and was given honorary status by the team.[7] In another memorable incident, she found herself lost in a blinding snowstorm in Manhattan, where she encountered a seriously injured and disoriented Wolverine. She was able to assist him in his flight from Lady Deathstrike and the Reavers until he healed enough to neutralize his enemies.[8]

Katie is highly intelligent; at five she was literate and able to write fluently enough to compose a “War Journal,” copying The Punisher. She is later depicted as a genius who has skipped several grades of school and can program supercomputers.

In the original series, Katie had a close, sibling-like relationship with the fifth Power Pack member, Franklin Richards. The two did not become friends immediately; during Franklin’s first encounter with Power Pack, Katie disliked him on sight. She was jealous of the attention he received from the other members of the Pack, and perceived him as usurping her role as the “littlest superhero” and the team baby. However, after Franklin showed his courage in battle with Jakal, despite his lack of any “active” powers to defend himself, Katie’s opinion of him improved considerably. Their relationship after their initial adventure was much more amicable, though still flavored with a pseudo-sibling rivalry. Franklin’s superhero codename, “Tattletale,” was taken at Katie’s suggestion.

In the out-of-continuity Marvel Adventures Avengers and Power Pack Assemble! mini-series, an older Katie Power tells a younger, time-traveling self that her first boyfriend was Franklin Richards.[12] This Katie’s first encounter with Franklin occurred in the first issue of the later Fantastic Four and Power Pack mini-series.

Powers and abilities

Katie began her career as a superhero as Energizer. She could disintegrate any kind of matter, including water and air, store the energy and expel it in balls of explosive fire. Katie’s Energizer power was highly destructive, potentially lethal, and in various issues, was able to destroy buildings and bring down supervillains such as Kurse. Katie initially had little control over her power, and tended to use it when she was frightened or angry, but as the series progressed, she gained control over her abilities.

During the Snark Wars, Katie voluntarily relinquished her energy powers to the Snark prince Jakal. Her siblings had already had their abilities forcibly taken from them by Jakal. In the ensuing battle, the powers reverted back to the Power siblings one by one and Katie ended up with Julie’s flight powers.

While she held Julie’s flight powers, Katie was known as Starstreak. She was able to fly quickly, leaving a stream of rainbow light in her wake. While Katie as Starstreak was never able to break the sound barrier as her sister Julie did, she did refine the power by developing hovering abilities.[13]

After Queen Mother Maraud briefly gained the abilities of Power Pack in Power Pack #52, Katie ended up with the gravity powers previously held by her brothers Alex and Jack. She took the same code name Jack had used, Counterweight. She was able to float, “gravitize” to any surface, and cancel the gravity of any object she touched. She was also able to increase her own gravity to deliver “Super-G” powerful punches and make herself extremely heavy.[14]

During Power Pack’s mission in the Technocrat’s space station, Katie regained her original energy powers[15]. She continues to use these abilities under her original name of Energizer.[16]

Along with her siblings, Katie possessed Kymellian healing powers. Usually, she was required to work with her siblings to generate and use this ability; however, she occasionally accessed it on her own.

Katie and her siblings also owned a Kymellian smartship called Friday. The ship acted as an unofficial team advisor and accompanied the Pack on several missions.

Throughout her affiliation with Power Pack, Katie wore a costume of unstable molecules created by Friday. The costume existed in an extra-dimensional space known as “Elsewhere” and could be summoned with voice commands. In the 2000 mini-series (and a back-up story in the Holiday Special), this outfit included a mask; in the original series, it did not. Katie was the only member of Power Pack to actually visit Elsewhere; while there, she learned how to modify the team’s costumes. [17]

Katie also owned a gold Kymellian coin, which was a present from her “honorary godfather,” Lord Byrel. Both the Pack’s enemies and allies were able to use the coin as a tracking device to locate the team.[18]

Other versions

Avengers and Power Pack Assemble!

The Power Pack are thrown ten years into the future and encounter their adult counterparts, including an eighteen year old Katie Power. This version of Energizer demonstrates greater control over her powers, is able to disintegrate a foot-thick wall of titanium, and launch focused energy bolts from her fingertips.[12]

Franklin Richards: Son of a Genius

In the out-of-continuity humor series Franklin Richards: Son of a Genius; a non-super-powered Katie Power appears as a classmate of the Calvin-esque Franklin character who comes to visit him at the Baxter Building. Though Katie seems to have a crush on Franklin, she is initially spurned by him in stereotypical young boy fashion. However, Franklin seems to reciprocate the crush when he realizes that Katie has a talent for mischief and mayhem similar to his own.


A grown up Katie, called Kate, appeared in the Avengers Next limited series. Kate was recommended by Psi-Lord of the Fantastic Five, to use her skills as an energeticist to help locate the missing Thunderstrike.[19] However, in a misunderstood battle caused by Thena (Thor’s daughter), Kate used her Kymellian energy powers to resolve the conflict.[20] Kate joined the Avengers on their mission to rescue Kevin Masterson from Sylene (revealed to be the daughter of the God of Evil, Loki), but was captured along with her teammates.[21] Kate and the Avengers were later freed by Kevin, Edwin Jarvis and Warp.[22] Kate was later summonned by American Dream to help in one of her missions; but the case was denied, due to the interference of S.H.I.E.L.D agent Maria Hill.[23]

Millennial Visions

In the “Power Pack: Starting Over” story within Marvel’s 2001 Millennial Visions one-shot comic, Katie was depicted as 25 year old with tattoos, black hair and an interest in goth fashion and culture. While she still had her energy powers, she worked as a waitress at a Boston cafe.[24]

The New Mutants

In issue #49 of The New Mutants, the team, displaced in a possible future due to the unstable teleporting powers of Magik, encountered an elderly Katie Power, leading a rebellion against the tyrannical mutant-dominated government that ruled the United States. In this future timeline, Katie possessed all the powers of the Power Pack, and was implied to be the only member of the Pack to have survived.

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