Thomas and Robbins continued to feature her in issues of "Invaders", including; #12-13 (January–February 1977), which sees her joining the team on a rescue mission to the Warsaw Ghetto; #14-15 (March–April 1977), which sees her absconding with her father and new hero Dyna-Mite; #18-19 (July–August 1977), which sees the three parachuting into Germany, #20-21 (September–October 1977), which sees them being rescued by her brother, Brian, as the new Union Jack, and #22 (November 1977); which shows her safely returned to England. Thomas and Robbins also featured her in "What If?" #4 (August 1977); in the story she and Union Jack save Winston Churchill from a Nazi assassination attempt.