Avengers Initiative

Mighty Avengers

Prime Marvel Universe
(Earth-616)

Nick Fury's Avengers Initiative

Iron Patriot's Avengers Initiative

Comic Variants

Avengers
(Avengers)
(Osborn)

The Cabal and Dark Avengers slaughtered by Dr. Doom
(Earth-6091)

Mighty Avengers

Crossoververse
(Earth-7642)

Mighty Avengers

Tony Stark assassinated by Tom Foster
(Earth-9230)

Avengers
(Avengers)
(Osborn)

Daken killed Iron Patriot
(Earth-10382)

Avengers
(Avengers)
(Osborn)

Hawkeye killed Norman Osborn
(Earth-11223)

A.V.E.N.G.E.R.S. Initiative

Year 20XX
(Earth-15061)

A.V.E.N.G.E.R.S. Initiative

Year 20XX destroyed by Moridun
(Earth-16364)

Avengers
(Avengers)
(Osborn)

Norman Osborn won Siege
(Earth-21119)

Mighty Avengers

AAFES Universe
(Earth-33900)

Mighty Avengers

President Stark won the Civil War
(Earth-TRN619)

Live-Action Variants

Avengers

Marvel Cinematic Universe
(Earth-199999)

Animated Variants

Avengers

Super Hero Squad cartoon and games
(Earth-91119)

Game Variants

Avengers

Marvel: Avengers Alliance
(Earth-12131)

Avengers

LEGO Marvel Universe
(Earth-13122)

Others

Secret Avengers Initiative

Prime Marvel Universe
(Earth-616)

Squirrel Avengers Initiative

Prime Marvel Universe
(Earth-616)

Comics

Avengers: The Initiative Vol 1
(2007–2010)
35 issues