List of Weapon X members

Weapon X is a fictional American covert operations program appeared in books published by Marvel Comics, usually those featuring X-Men or Wolverine, who is its most notable former member.

The roster consists of two parts. The first part lists the characters in nominal positions of control of the program. The second part lists the characters the program has used either as agents, or as experimental subjects.

The codenames listed under Character are those used during the time frame that the character was a part of the program. Characters with more than one codename for that period have them listed chronologically and separated by a slash (/). Bolded names are the current program members and agents.

First Appearance is the place where the character first appeared as a member of the program. It is not necessarily the first appearance of the character in print, nor the story depicting how the character joined the program.

All information is listed in publication order first, then alphabetical.

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