The List of Super-Hero Teams

[The Baron]

I'm sure that I'm missing a bunch of obvious ones - including forty years of super-sentai teams that I'll look up at some point.  

I've left off hero agencies like the Hero Association from One-Punch Man or Hero Hotline, and non-super hero teams like the Challengers of the Unknown.

1. The Advocates Squad
2. A-Force
3. The Agents of Atlas
4. The Agents of W.O.N.D.E.R.
5. The Allied Supermen of America
6. The Allies
7. The All-Star Squadron
8. The All-Star Winners Squad
9. The All-Winners Squad
10. Alpha Flight
11. America’s Best
12. The Annihilators
13. Apollo Eleven
14. The Arabian Knights
15. The Atomic Knights of Justice
16. The Atomics
17. The Austrian Super-Heroes
18. The Authority
19. Avataro Sentai Donbrothers
20. The Avengers
21. The Avengers “A-Next”
22. The Avengers “Marvel Mangaverse”
23. The Avengers “1950’s”
24. Bakuryū Sentai Abaranger
25. Batman, Incorporated
26. Battle Fever J
27. Big Hero 6
28. The Bionic Six
29. The Blackhawks
30. The Blood Syndicate
31. The Brigade
32. Capes, Inc.
33. Catalyst
34. The Champions “1975”
35. The Champions “2016”
36. The Champions of Xandar
37. Chikyu Sentai Fiveman
38. Chōjin Sentai Jetman
39. Choudenshi Bioman
40. Choujuu Sentai Liveman
41. Chouriki Sentai Ohranger
42. Choushinsei Flashman
43. The Club of Heroes
44. The Crazy S.U.E.S.
45. The Crew
46. The Crime Crusaders Club
47. The Crisis Girls
48. The Crossbreed
49. Cyborg  009
50. Cyber Force
51. Dai Sentai Goggle-V
52. The Daughters of the Dragon
53. The Defenders
54. The Defenders of the Earth
55. Dengeki Sentai Changeman
56. Denji Sentai Megaranger
57. Denshi Sentai Denjiman
58. The DNAgents
59. The Doom Patrol
60. Doubutsu Sentai Zyuohger
61. The Drak Pack
62. The Elementals
63. The Endeavor Agency
64. The End League
65. Engine Sentai Go-onger
66. Excalibur
67. The Exiles
68. Extreme Justice
69. The Fallen Angels
70. The Fantastic Four
71. Femforce
72. The First Family
73. The First Line
74. Force Works
75. The Forgotten Heroes
76. The Four Aces
77. The Freedom Brigade
78. The Freedom Fighters
79. The Freedom Force
80. Freedom’s Five
81. The Freshmen
82. The Galaxy Trio
83. Gekisou Sentai Carranger
84. Generation Hex
85. Generation X
86. Gen13
87. The Global Guardians
88. GoGo Sentai Boukenger
89. The Golden Agency
90. Gosei Sentai Dairanger
91. The Great Lakes Avengers
92. The Great Ten
93. The Guardians of the Galaxy
94. The Guardians of the Globe
95. The Hero Alliance
96. The Hero Association
97. Heroes Anonymous
98. The Heroes of Angor
99. The Heroes of Lallor
100. Hero Hotline
101. The Hero League
102. Hikari Sentai Maskman
103. Himitsu Sentai Gorenger
104. The Honor Guard
105. Hyakujuu Sentai Gaoranger
106. The Hyperkind
107. The Incredibles
108. The Inferior Five
109. Infinity, Inc.
110. The Infinity Watch
111. The Invaders
112. The Irregulars
113. J.A.K.Q. Dengekitai
114. The JLX
115. The JSA All-St
116. The Judgement League Avengers
117. Juken Sentai Gekiranger
118. The Jurassic League
119. Justa Lotta Animals
120. The Justice Alliance of America
121. The Justice Friends
122. The Justice Guild
123. Justice Incarnate
124. The Justice League “Future State”
125. The Justice League Beyond
126. The Justice League Daark
127. The Justice League Elite
128. The Justice League Europe
129. The Justice League International
130. The Justice League of America
131. The Justice League of America “Just Imagine”
132. The Justice League of China
133. Justice League 3000
134. The Justice League Task Force
135. Justice Legion A
136. The Justice Machine
137. The Justice 9
138. The Justice Riders
139. The Justice Society of America
140. Ther Justice Titans
141. The Justice Underground
142. Justicia
143. Kickers, Inc.
144. The Kid Commandos
145. Kagaku Sentai Dynaman
146. Kaitou Sentai Lupinranger
147. Kaizoku Sentai Gokaiger
148. Keisatsu Sentai Patranger
149. Kikai Sentai Zenkaiger
150. Kishiryu Sentai Ryusoulger
151. The Knights of Justice
152. Kousoku Sentai Turboranger
153. Kyōryū Sentai Zyuranger
154. Kyuukyuu Sentai GoGoFive
155. The L.A.W.
156. The Law-Breaker Busters
157. The League of Infinity
158. The League of Shadows
159. The League of Super-Groovy Crimefighters
160. The Legion of Justice
161. The Legion of Substitute Heroes
162. The Legion of Super-Pets
163. The Legion of Super-Heroes
164. The Liberty Balance
165. The Liberty Legion
166. Liga Deutscher Helden
167. The Light Brigade
168. The Loonatics
169. The Love Syndicate of Dreamworld
170. The Lurkers
171. Mahō Sentai Magiranger
172. Mashin Sentai Kiramager
173. The Mates
174. The Metal League
175. The Metal Men
176. The Midnight Sons
177. The Mighty Crusaders
178. The Mighty Heroes
179. The Mighty Orbots
180. The Minute Men
181. Mirai Sentai Timeranger
182. The Monster Squad
183. Municipal Force Daitenzin
184. The Mystery Men "Comics"
185. The Mystery Men "Movie"
186. The New Avengers
187. The New Guardians
188. The New Justice Team
189. The New Men
190. The New Mutants
191. The New Warriors
192. Nextwave
193. The Nighteye Agency
194. Night Force
195. The Nimrod Squad
196. The 99
197. Ninja Sentai Kakuranger
198. Ninpuu Sentai Hurricaneger
199. The Nobles
200. The Others
201. The Outlaws
202. The Outsiders
203. The Pact
204. The Pantheon of Heroes
205. The Planetary Brigade
206. The Power Company
207. The Power Pack
208. The Powerpuff Girls
209. The Powerpuff Girls Z
210. Pretty Cure
211. The Quantum Quartet
212. The Rangers
213. The Relative Heroes
214. The Remnants
215. Ressha Sentai ToQger
216. The Retaliators
217. The Robonic Stooges
218. The Round Table of America
219. The Runaways
220. The Sailor Senshi
221. Samurai Sentai Shinkenger
222. The Samurai Squad
223. The Savage Avengers
224. Science Team Gatchaman
225. The Secret Avengers
226. The Secret Defenders
227. The Secret Six “Tangent”
228. Section Eight
229. Seijuu Sentai Gingaman
230. The Sentinels of Justice
231. The Sentinels of Magic
232. 7 Against Chaos
233. The Seven Soldiers of Victory
234. Shadowpact
235. Shazam’s Squadron of Justice
236. Shuriken Sentai Ninninger
237. The Slingers
238. S.M.A.S.H.
239. The Society of Super-Heroes
240. The Sovereigh Seven
241. The Soviet Super-Soldiers
242. The Space Canine Patrol
243. The Squadron Supreme
244. Stormwatch
245. The Strangers
246. Strikeforce: Morituri
247. The Super-Americans
248. The Super Buddies
249. The Super Friends
250. The Super Globetrotters
251. The Super Heroes
252. The Superior Squad
253. Super-Malon
254. The Supermen of America
255. The Super Young Team
256. Taiyo Sentai Sun Vulcan
257. Team 7
258. Team Titans
259. The Teenage Mutant Ninja Turtles
260. The Teen Force
261. Teen Justice
262. The Teen Team
263. The Teen Titans
264. Tensou Sentai Goseiger
265. The Terra Rangers
266. The Terrifics
267. The T.H.U.N.D.E.R. Agents
268. Tokumei Sentai Go-Busters
269. Tokusou Sentai Dekaranger
270. Tokyo Mew Mew
271. "Too Many Cooks"
272. Top 10
273. Uchu Sentai Kyuranger
274. The Ultimates
275. Ultraforce
276. The Union "Jupiter's Legacy"
277. The Union "Marvel"
278. Unity
279. The U.S. Avengers
280. The Wanderers
281. The Web-Warriors
282. The West Coast Avengers
283. The Whiz Kids
284. The Wild C.A.T.s
285. Wildcore
286. Wildguard
287. The Wildsiderz
288. The Wild, Wild Pussycats
289. The Wonders of the World
290. X-Factor
291. X-Force
292. The X-League
293. The X-Men
294. X-Nation
295. The X-Patrol
296. The X-People
297. The X-Presidents
298. The X-Statix
299. The Young Allies
300. The Young Avengers
301. Youngblood
302. The Young Heroes
303. Young Justice
304. The Z-Fighters
305. The Zoo Crew
306. Zyuden Sentai Kyoryuger

[The Baron]

I'd almost forgotten them myself, except that Extrano turned up in a recent DC Pride book.

Philip Portelli said:

This one just hit me: The New Guardians! (Guess I was trying to forget them!)

[The Baron]

Added the New Guardians.