A.1.00. Superman Blue/Red
A.1.10. Krypton Girl
A.1.20. Bruce (Batman) Kent
A.1.30. Warring Galaxy
A.1.40. Superboy Resigns
A.1.50. Superman's Last Stand
A.1.60. Post-Ciris Earth
A.1.70. Pocket Universe
A.1.80. Earht 22: Kingdom Come
Universe: Earth-Imaginary
Base: 1963 Earth
Characteristics: Superman was split into Superman-Red and Superman-Blue. Members of the LSH came to 1963 to bid farewell to Supergirl when she lost her powers and went to live with her parents in the enlarged city of Kandor.
Departure Point: 1963
Bouncing Boy, Cosmic Boy, Saturn Girl, Sun Boy, Supergirl (resigned)
Universe: Earth-Imaginary
Base: 30th-Century Matropolis
Characteristics: Lois Lane, not Kal-El, came to Earth from Krypton. Lois adopted an identity as Krypton Girl. Members of the LSH sent Night Girl to aid her in concealing her secret identity from Clark Kent.
Departure Point: Lois Lane, not Kal-El, came to Earth from Krypton.
Krypton Girl, Night Girl (Sub), Polar Boy (Sub), Saturn Girl, Sun Boy
Universe: Earth-Imaginary
Base: 30th Century Metropolis
Characteristics: An orphaned Bruce Wayne was adopted by the Kents along with Clark. As Batman, he travelled into the future to join an Adult LSH.
Departure Point: Bruce Wayne adopted by the Kents.
Batman, Cosmic Man, Sun Man
Universe: An un-named Earth-1 analog
Base: 30th Century Metropolis
Characteristics: Instead of a peaceful United Planets, the galaxy is filled with hostile planets fighting one against the other. Only the Legion holds humanity together.
Departure Point: 1978, when the United Nations voted to disband.
Brainiac 5, Chameleon Boy, Colossal Boy, Cosmic Boy, Dawnstar, Dream Girl, Element Lad, Karate Kid, Light Lass, Lightning Lad, Mon-El, Phantom Girl, Princess Projectra, Saturn Girl, Shadow Lass, Shrinking Violet, Star Boy, Sun Boy, Superboy, Timber Wolf, Tyroc, Ultra Boy, Wildfire
Universe: An un-named Earth-1 analog
Base: 30th Century Metropolis
Characteristics: Superboy resigned from the Legion and swore to give up time- and space-travel.
Departure Point: uncertain
Bouncing Boy, Brainiac 5, Chameleon Boy, Colossal Boy, Cosmic Boy, Invisible Kid, Lightning Lad, Saturn Girl, Shrinking Violet, Sun Boy, Superboy (resigned)
Universe: Earth-Imaginary
Base: 20th Century Earth
Characteristics: Mxyzptlk becomes a demon who destroys most of Superman's friends before Superman defeats him. Superman loses his powers and takes on a new identity to marry Lois Lane.
Departure Point: Uncertain
Brainiac 5, Cosmic Boy, Invisible Kid, Lightning Lad, Saturn Girl, Supergirl (deceased)
Universe: Earth-Sigma (the post-Crisis, pre-Zero-Hour DC Universe)
Base: 20th Century Earth
Characteristics: This alternate is inhabited by the post-Crisis, pre-Zero-Hour Superman, who had no Superboy career and does not know the Legionnaires.
Departure Point: MAN OF STEEL 1
Blok *, Brainiac 5 *, Cosmic Boy *, Invisible Kid II *, Sun Boy *, Superboy
* These members originated in the Basic State universe
Universe: Pocket Universe
Base: 20th Century Smallville
Characteristics: A full universe created by the Time Trapper and identical to the 20th Century of the Basic State (i.e. the "past" of the Legion) up to Superboy's death.
Departure Point: LEGION OF SUPER-HEROES 38
Blok*, Brainiac 5*, Cosmic Boy*, Invisible Kid II*, Mon-El*, Pete Ross (reservist), Sun Boy*, Superboy (died), Ultra Boy*
* These members originated in the Basic State universe
Universe: Earth-22: Kingdom Come
Base: "Future times"
Characteristics: An alternate Legion pictured in one panel of Kingdom Come.
Departure Point: Uncertain.