Bane  (DC)

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Banshee  (Marvel  Hero)

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Baron Strucker (Marvel)

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Baron Zemo  (Marvel)

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Baroness S'Bak  (Marvel)

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Barracuda  (Marvel)

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Bastion  (Marvel)

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Batgirl (DC)

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Batman  (DC Hero)
aka - The Caped Crusader, The dark knight, The Worlds Greatest Detective. Also known by the name Matches Malone as he often went into the underworld using the guise of a gangster by the name of Matches Malone.
Real name is Bruce Wayne
First appearance was in Detective Comics #27 (1939)
Millionaire Bruce Wayne doubles as Gotham Citys crime fighting superhero Batman. He is an Olympic caliber athlete and an expert in martial arts & weaponry, he has extensive wealth and is CEO of Wayne Enterprises

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Batroc the Leaper  (Marvel)

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Battering Ram  (Marvel)

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Beast  (Marvel)

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Beast Boy  (DC)

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Beak  (Marvel)

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Bedlam  (Marvel)

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Beef  (Marvel)

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Beetle  (Marvel)

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Bengal  (Marvel)

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Beta-Ray Bill  (Marvel)

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Bevatron  (Marvel)

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Beyonder  (Marvel)

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Bi-Beast  (Marvel)

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Big Bertha  (Marvel)

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Big Wheel  (Marvel)

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Bishop  (Marvel)

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Bizzaro  (DC)

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Black Adam  (DC)

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Black Bird  (Marvel)

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Black Bolt  (Marvel)

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Black Cat  (Marvel)
Real name Felicia Hardy

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Black Crow  (Marvel)

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Black Knight  (Marvel)

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Black Manta  (DC)

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Black Panther  (Marvel)

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Black Queen  (Marvel)

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Black Spectre  (Marvel  Villain)

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Black Tarantula  (Marvel)

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Black Tom  (Marvel)

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Black Widow  (Marvel)

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Blackheart  (Marvel)

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Blacklash  (Marvel)

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Blackout  (Marvel)

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Blade  (Marvel)

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Blastaar  (Marvel)

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Blazing Skull  (Marvel)

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Blindfold  (Marvel)

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Blink  (Marvel)

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Blizzard  (Marvel)

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Blob  (Marvel)

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Blockbuster  (Marvel)

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Blok  (Marvel)

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Bloke  (Marvel)

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Blonde Phantom  (Marvel)

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Bloodaxe  (Marvel)

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Bloodscream  (Marvel)

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Bloodstorm  (Marvel)

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Bloodstrike  (Marvel)

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Blue Beetle  (DC)

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Blue Blade  (Marvel)

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Blue Marvel  (Marvel)

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Blue Shield  (Marvel)

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Bob, Agent of Hydra  (Marvel)

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Boom Boom  (Marvel)

Real name is Tabitha Smith

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Boomerang  (Marvel)

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Booster Gold (DC)
Real name is Michael Jon Carter aka Supernova, Booster & Goldstar.             
First Appeared in Booster Gold #1 (Feb 1986)

He was created by Dan Jurgens and was born in Gotham City in the 25th Century, in the New Earth Universe.

Booster Gold is a time-traveling super-hero, who uses high-tech equipment to fight crime, alongside his robotic side-kick Skeets.

His best friend and most regular partner is Blue Beetle, and he is not taken very seriously by his peers because of a careless and somewhat egotistical attitude, and he is often under-estimated.

He briefly took on the alias Supernova during the 52, and he began secretly working with Rip Hunter as a guardian of the Timestream.

He has been a member of the Justice League, Time Masters, Conglomerate, Extreme Justice, Super Buddies and Booster Gold International (BGI).

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Box  (Marvel)

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Brainiac  (DC)

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Bride of Nine Spiders  (Marvel)

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Brood  (Marvel Villain)

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Brother Voodoo  (Marvel)

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Brotherhood of Evil Mutants  (Marvel)

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Brotherhood of Mutants  (Marvel)

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Brute  (Marvel)

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Bucky  (Marvel) 
aka The Winter Soldier
Real name is          "Bucky" Barnes

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Bug  (Marvel)

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Bulldozer  (Marvel)

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Bullseye  (Marvel)

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Bushmaster  (Marvel)

Real name is Quincy McIver

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Bushwacker  (Marvel)

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Butterfly  (Marvel)

Real name is Layla Rose Miller

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