American Girl II (Linda Barnes) is an Amalgam of DC's Supergirl (Linda Danvers) and Marvel's Bucky (Rikki Barnes). Linda was the niece of Carol Barnes, the American Girl. While working at S.H.I.E.L.D., a prototype teleportion device malfunction and opened a doorway to a pocket dimension. A protoplasmic lifeform escaped from the portal and fused with Linda, giving her powers of flight, superhuman strength, and telekinesis. LInda decided to use these powers to carry on her aunt's legacy as the new American Girl.