The second version Katrina Luisa Van Horn has been viewed by critics as a "caricature of feminists, who despised all men.

"[1] The first version of Man-Killer first appeared in Captain America #111 (December 1968) and created by Stan Lee and Jim Steranko.

Man-Killer first appeared in Marvel Team-Up volume 1 #8 (April 1973) and created by Gerry Conway and Jim Mooney.

After engaging in an argument with anti-Women's Liberation skier Karl Lubbings, the two took their disagreement to the slopes.

Some time later however, Erik Josten (Atlas of the Thunderbolts) discovered Katrina working as a bartender in his team's adopted home of Burton Canyon, Colorado.

Whatever animosity Katrina may or may not bear towards men, she has proven herself capable of working alongside them with a minimum of personality conflicts.

[13] During the "Opening Salvo" part of the Secret Empire storyline, Man-Killer was involved in the Masters of Evil's next fight with the Thunderbolts which ends in her apparent death at the hands of Kobik.