Eric Brooks (Alt)
Blade Doppelganger
Eric Brooks (Ultimate)
Dr. Donald Blake
Dr. Donald Blake (Earth X)

Gender: ♂
Alternate version of: Dr. Donald Blake
Universe/Dimension/Timeline: Earth X (Earth-9997)

Features
X-Universe 2.FT

Kent Blake
Blank
Blaquesmith
Blastaar
Blastfurnace I
Blastfurnace II
John Blaze
Sienna Blaze
Blazing Skull
Blimp

Gender: ♂
Individual of: Shi'ar
Member of: Imperial Guard of the Shi'ar

Blind Al

Althea
Gender: ♀

Features
Deadpool Corps: Rank and Foul 1.FT

Blind Justice

Gender: ♂

Blindfold
Blindfold (AgeOfX)

Ruth Aldine
Gender: ♀
Alternate version of: Blindfold
Universe/Dimension/Timeline: Earth Age of X

Blindside I

Nick Chernin
Gender: ♂

Features
Heroic Age: Villains 1.FT

Blindside II

Bobbi Chase
Created by: Christopher Claremont, Marc Silvestri
Member of: Harriers

Blindspot
Bling!

Roxy Washington
Gender: ♀
Individual of: Mutants
Member of: Generation X II
Student(s) at/of: Xavier Institute for Higher Learning

Features
Heroic Age: X-Men 1.FT

Blink
Blink (AgeOfApo)
Blip
Bliss
Blistik

Victor Lillian
Gender: ♂

Blitz

Gender: ♀
Member of: New Enforcers

Blitz Squad

(Blitzkrieg Squadron)
Member(s): Baron von Strucker

Blitzkrieg
Blizzard I
Blizzard II
Blob
Blob (Alt)

Fred J. Dukes
Gender: ♂
Alternate version of: Blob
Universe/Dimension/Timeline: Unknown Universe/Dimension/Timeline

Features
X-Men: Millennial Visions 2.FT

Blob (HouseOfM)

Fred J. Dukes
Gender: ♂
Alternate version of: Blob
Member of: Brotherhood (HouseOfM)
Universe/Dimension/Timeline: Earth House of M

Blob (Ultimate)

Fred J. Dukes
Gender: ♂
Alternate version of: Blob
Universe/Dimension/Timeline: Earth Ultimate (Earth-1610)

Features
Marvel Previews (I) 50.FT

Blockbuster I

(Man-Brute)
Gender: ♂

Blockbuster II
Blockbuster III
Bloke

Michael Tork (Mickey)
Gender: ♂
Individual of: Mutants
Member of: X-Force III

Blonde Phantom
Blonde Phantom (MAdvent)

Louise Grant Mason
Gender: ♀
Alternate version of: Blonde Phantom
Universe/Dimension/Timeline: Earth Marvel Adventures

Main
Marvel Adventures: Spider-Man and Avengers Digest TPB 1
Marvel Adventures Super Heroes (I) 14

Nadia Dornova Blonsky
Blood
Blood Brothers
Blood Shadow
Blood Spider

Gender: ♂

Blood Wraith
Bloodarrow
Bloodaxe
Bloodhawk 2099
Bloodscream
Bloodseed

Created by: Paul Neary, Liam Sharp
Gender: ♂

Features
Marvel Frontier Comics: The Complete Collection TPB 1.FT

Bloodshed

Wyndell Dichinson
Gender: ♂

Features
Heroic Age: Villains 1.FT

Elsa Bloodstone