|Jacqueline "Jackie" Falsworth-Crichton|
|Subject of Great Britain with no criminal record.|
|Nation or Planet of Origin|
|Base of Operations|
|Falsworth Manor, England|
|Blond - Now Silver|
Chemically and mystically altered human with superhuman strength, speed, stamina, agility and vitality.
Note: Although the longevity effects of the blood transfusion waned with time, an additional transfusion by the Human Torch reversed the aging process and returned Falsworth to her former youth.
Baron Blood I
|Invaders Vol. 1 & 2|
Invaders Vol. 1 #7 (July, 1976)
Invaders Vol. 1 #12 (Jan. 1977)
|Roy Thomas & Frank Robbins|
The daughter of Lord James Montgomery Falsworth (Union Jack I), Jacqueline Falsworth was a young woman during the Second World War.
Abducted by her uncle John Falsworth (Baron Blood) a vampire and Nazi, Falsworth was suffering from blood loss when she was rescued and rushed to the hospital by the Invaders. To save her life a blood transfusion was preformed using the synthetic blood of the android Human Torch.
While Falsworth was convalescing the hospital was attacked by the Blue Bullet, who was looking for the Invaders. Falsworth discovered to her surprise that she could move at superhuman speed and helped defeat the Nazi agent.
Desiring to help defeat the Nazi menace Falsworth joined the Invaders and assumed a costumed identity named for the British fighter plane called the Spitfire.
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