Beatriz da Costa (Earth-2705)

Beatriz da Costa was once a top-model, until she decided to become a agent for Nexus, a Brazilian counter-terrorist agency. When she tracked down the international arms dealer John Allerdyce, an accident occured in which both of them were exposed to experimental radioactive fire emanating from the factory both fought against each other. With her newfound power, Beatriz became Fire, turning into a superhuman crime fighter, and then, eventually, a member of the League of Avengers Unlimited.