Beast

Beast (Earth-311)

Beast (Ultimate)

Becatron

Bedlam

Beef

Beetle (Abner Jenkins)

Belasco

Bengal

Ben Grimm

Ben Parker

Ben Reilly

Ben Urich

Beta-Ray Bill

Bethany Cabe

Betty Brant

Betty Ross

Beyonder

Bi-Beast

Big Bertha

Big Wheel

Bill Hollister

Bishop

Bishop (Ultimate)

Black Bird

Black Bolt

Black Bolt (Marvel War of Heroes)

Black Cat

Black Cat (Ultimate)

Black Crow

Blackheart

Black Knight (Dane Whitman)

Black Knight (Sir Percy of Scandia)

Blacklash

Blackout

Black Panther

Black Panther (Shuri)

Black Panther (Ultimate)

Black Queen

Black Tarantula

Black Tom

Black Widow

Black Widow (LEGO Marvel Super Heroes)

Black Widow (Ultimate)

Black Widow (Yelena Belova)

Black Widow/Natasha Romanoff (MAA)

Blade

Blastaar

Blazing Skull

Blindfold

Bling!

Blink

Blizzard

Blob

Blob (Ultimate)

Blockbuster

Blok

Bloke

Blonde Phantom

Bloodaxe

Bloodscream

Bloodstorm

Bloodstrike

Blue Blade

Blue Marvel

Blue Shield

Blur

Bob, Agent of Hydra

Boom Boom

Boomer

Boomerang

Box

Bride of Nine Spiders (Immortal Weapons)

Bromley

Brood

Brotherhood of Evil Mutants

Brotherhood of Mutants (Ultimate)

Brother Voodoo

Bruce Banner

Brute

Bucky

Bug

Bulldozer

Bullseye

Bushwacker

Butterfly

Cable

Cable (Deadpool)

Cable (Marvel: Avengers Alliance)

Cable (Ultimate)

Cable (X-Men: Battle of the Atom)

Calamity

Caliban

Callisto

Callisto (Age of Apocalypse)

Calypso

Cammi

Cannonball

Cap'n Oz

Captain America