Hydra

Hydra
Prime Marvel Universe
(Earth-616)

Alternate Reality Versions

Home to Brother Brit-Man & Spider-Gwen (Earth-65)	Home to Spider-Punk (Earth-138)	Home to Sharon Rogers (Earth-415)	2099 A.D. (Earth-928)
Ultimate Universe (Earth-1610)	Mangaverse (Earth-2301)	Marvel Age Power Pack (Earth-5631)	Rick Jones became the Hulk (Earth-7812)

Daredevil: agent of S.H.I.E.L.D. (Earth-8181)	Iron Man enslaved by Chen Lu (Earth-8861)	Marvel Panini UK comics (Earth-9411)	Amalgam pocket universe (Earth-9602)
Earth X (Earth-9997)	Daredevil died saving Elektra (Earth-10245)	Spider-Man: Heroes & Villains (Earth-10995)	Wolverine: Enemy of the State (Earth-14850)

Marvel Adventures (Earth-20051)	Mutant powers had physiological side effects (mostly farting) (Earth-21110)	Home to Hank Johnson (Earth-21722)	Earth-339007 (Earth-339007)
An Evening With Ms. Marvel: A True Story (Earth-36701)	Marvel Megamorphs (Earth-50810)	House of M (Earth-58163)	Bob: Supreme Hydra (Earth-71246)

Captain America and Bucky didn't disappear during World War II (Earth-77105)	Spider-Woman was a villain (Earth-79101)	Earth destroyed by Dark Phoenix (Earth-81191)	Hydra Empire (Earth-85826)
Wolverine: Agent of S.H.I.E.L.D. (Earth-89121)	Frank Castle: Agent of S.H.I.E.L.D. (Earth-94157)	War Machine MAX (Earth-112001)	MAX-Universe (Earth-200111)

Avengers: United They Stand comic (Earth-730834)	Current Reality is Unknown (Unknown Reality)	Deadpool MAX (Earth-TRN133)	The Spider(fly) Effect (Earth-TRN567)
Kobik's Timeline (Earth-61311)

Wolverine and the X-Men & Avengers: EMH! (Earth-8096)	1980s Spider-Man and Hulk cartoons (Earth-8107)	X-Men: Evolution (Earth-11052)	2010s Marvel Animated Universe (Earth-12041)
Marvel Disk Wars: The Avengers (Earth-14042)	Iron Man: Armored Adventures (Earth-904913)	Marvel Super Heroes: What The--?! (Earth-TRN416)

Marvel: Avengers Alliance (Earth-12131)	LEGO Marvel Universe (Earth-13122)	Super Hero Squad cartoon and games (Earth-91119)	Spider-Man: Web Of Shadows (PS3, Xbox 360, Wii and PC) (Earth-TRN009)
Marvel Heroes (Earth-TRN258)	Spider-Man Unlimited (Earth-TRN461)	Marvel Contest of Champions (Earth-TRN517)	Marvel Avengers Academy (Earth-TRN562)

Lernean Hydra

Parasite
Earth X
(Earth-9997)

Hi.D.R.A. Prime Marvel Universe (Earth-616)	Hydra (Heroes Reborn) Prime Marvel Universe (Earth-616)	Hydra (Tsum Tsum) Prime Marvel Universe (Earth-616)	Hydra Ladies Auxiliary Home to Cookies & Milk (Earth-9047)
Hydrant Home to Cookies & Milk (Earth-9047)	Red Hydra Marvel Heroes (Earth-TRN258)	Hydra School Marvel Avengers Academy (Earth-TRN562)

Dum-Dum Dugan Earth X (Earth-9997)	Eugene Judd Earth X (Earth-9997)	Fred Dukes Earth X (Earth-9997)	Jennifer Walters Earth X (Earth-9997)
Jessica Drew Earth X (Earth-9997)	Sam Wilson Earth X (Earth-9997)	Sharon Carter Earth X (Earth-9997)	Valentina Allegra de Fontaine Earth X (Earth-9997)