Endo

Meifeng was one of the individuals experimented on by Weapon X Program Director Abraham Cornelius in order to make a better soldier than his previous creations like Wolverine. After being released from her stasis tube, she was found by Sharp and the other test subjects. Scared but determined to get out of there, she joined up with the others. Meifeng escaped the compound on a helicopter with the others.

Later on, Meifeng would soon break ranks with to group to check on her fiancee, only to be confronted by three opposing Weapon X soldiers. After briefly overpowering her, one of the soldiers told her the truth about how Dr. Cornelius looked up files to find a match for his next experiment,and while Meifeng and Taylor were trying to have a child, Cornelius described Meifeng as the perfect match. After the soldiers came to Meifeng and Taylor's house, they kidnapped Meifeng and killed Taylor. After the kidnapping, Cornelius then experimented on Meifeng, unexpectedly turning her from a man to a woman. Shocked and angry, Meifeng once again attempted to escape her captors who had tried to take her by force. Doing this managed to trigger her second mutant power, which enabled her to transform into a massive, hulking being. She then managed to turn the tables on her captors with the help of Skel and Junk.