The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
(first | last) View (previous 50 | next 50) (20 | 50 | 100 | 250 | 500)- "Naughty" X-Men (Mojoverse) (1 member)
- 12th century (1 member)
- 1400 Club (6 members)
- 1602 (35 members)
- 18th Kree Diplomatic Gestalt (5 members)
- 2099 (198 members)
- 2099 (Secret Wars) (5 members)
- 2211 (2 members)
- 24th Century (1 member)
- 3-D Man enemies (2 members)
- 3-Peace (3 members)
- 648th Quinquennial Blade-Fighting Championship's participants (3 members)
- 66 Bridges Gang (1 member)
- 8-Ball's Gang (4 members)
- A (43 members)
- A'askvarii (1 member)
- A-Force (14 members)
- A-Force (Earth-16191) (2 members)
- A-Force ennemies (2 members)
- A-Next (24 members)
- A.G.M. (Advanced Genocide Mechanics) (1 member)
- A.I. (8 members)
- A.I.M. (81 members)
- A.I.M. (Avengers Idea Mechanics) (2 members)
- A.I.M. (Earth-199999) (3 members)
- A.I.M (Avengers Idea Mechanics) (1 member)
- A.R.E.S. (3 members)
- A.R.M.O.R. (11 members)
- A.R.M.S. (1 member)
- A.V.E.N.G.E.R.S. Initiative (Earth-15061) (3 members)
- Abdul Alhazred's agents (7 members)
- Abominations (Earth-9200) (7 members)
- Aboriginal Gods (8 members)
- Academy of Tomorrow (5 members)
- Academy of the New Elite (7 members)
- Accuser Corps (4 members)
- Ace Comics (1 member)
- Achians (1 member)
- Acolytes (40 members)
- Acolytes (Earth-11052) (1 member)
- Acolytes (Earth-2149) (3 members)
- Acolytes (Earth-8096) (5 members)
- Acolytes (Earth-92131) (2 members)
- Acroyears (2 members)
- Action Figures (1 member)
- Action Pack (3 members)
- Adam Warlock enemies (11 members)
- Adaptoids (2 members)
- Adorable X-Babies (1 member)
- Adventurers (1 member)
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