It followed "Spitfire" (Professor Jenny Swensen) and a group of brilliant but eccentric college students as they used high-tech powered exoskeletons to combat the mysterious terrorist organization called The Club.

A different version of the character – Dr. Jennifer Swann – was introduced in 2007 as part of Warren Ellis' newuniversal, a single-title reworking of the New Universe concepts.

[1] The concept of the Troubleshooters was based on a series of escapades Brown shared with a childhood friend, a student at the Massachusetts Institute of Technology, while visiting him at the MIT campus in the mid-1970s.

[1] Brown and Morelli wanted to write Spitfire and the Troubleshooters themselves, going so far as to take reference photos of the MIT campus and petitioning for Herb Trimpe to be the series artist.

In the wake of the White Event and police reports regarding Kenneth Connell, Jennifer's supervisor Philip L. Voight informs her that H.E.X funding has been increased by a factor of twenty and that the true mandate of Project Spitfire is to monitor and/or kill all superhumans.