List of All of the Avengers

Thor - Thor Odinson (a.k.a. Dr. Donald Blake, Sigurd Jarlson, Jake Olsen)

Iron Man - Anthony Edward "Tony" Stark

Ant-Man a.k.a. Giant-Man, Goliath, Yellowjacket, The Wasp - Dr. Henry "Hank" Jonathan Pym

The Wasp

Hulk - Dr. Robert Bruce Banner

Captain America a.k.a. Nomad, The Captain - Steven Rogers

Hawkeye a.k.a. Goliath, Ronin - Clinton Francis Barton

Quicksilver - Pietro Django Maximoff (a.k.a. Pietro Frank)

Scarlet Witch - Wanda Maximoff (a.k.a. Wanda Frank)

Hercules - Heracles (alias Harry Cleese)

Black Panther - T'Challa (a.k.a. Luke Charles) 

Black Knight - Dane Whitman

 Black Widow (Claire Voyant) - Natalia Alianovna Romanova (a.k.a. Natasha Romanoff)

Swordsman - Jacques Duquesne

Mantis - Mandy Celestine (alias)

 Beast -  Henry Phillip McCoy 

 Moondragon - Heather Douglas (a.k.a. H.D. Steckley)

Patsy Walker - Patricia "Patsy" Walker

Wonder Man - Simon Williams

Two-Gun Kid - Matthew Liebowitz (birth name) Matthew J. Hawk (legal name)

Ms. Marvel a.k.a. Binary, Warbird - Carol Susan Jane Danvers

Falcon - Samuel "Snap" Thomas Wilson

Tigra a.k.a. The Cat - Greer Grant Nelson

She-Hulk - Jennifer Susan Walters

Captain Marvel a.k.a. Photon, Pulsar - Monica Rambeau

Starfox - Eros

Namor

Doctor Druid Dr. Anthony Ludgate Druid

Mockingbird - Barbara Barton (née Morse)

War Machine a.k.a. Iron Man II - James Rupert "Rhodey" Rhodes

Thing - Benjamin Jacob Grimm

Moon Knight - Marc Spector (a.k.a. Steven Grant, Jake Lockley)

 Firebird - Bonita Juárez

U.S. Agent a.k.a. Super-Patriot, Captain America - John Frank Walker, Jack Daniels (alias)

Human Torch - Jim Hammond (alias)

Living Lightning - Miguel Santos

Spider-Woman a.k.a. Arachne - Julia Carpenter

Machine Man a.k.a. X-51 - Aaron Stack (alias)

Darkhawk - Christopher Powell

Demolition Man a.k.a. D-Man - Dennis Dunphy

Forgotten -One - Gilgamesh

Mister Fantastic - Prof. Reed Richards

Invisible Woman - Susan Richards (née Storm)

Quasar - Wendell Elvis Vaughn

Sersi - Circe (a.k.a. Sylvia Sersi)

Stingray - Walter Newell

Spider-Man - Peter Benjamin Parker

Sandman  - William Baker (a.k.a. Flint Marko)

Rage - Elvin Daryl Haliday

Crystal - Crystal Amaquelin Maximoff

Thunderstrike a.k.a. Thor II - Eric Kevin Masterson

Justice a.k.a. Marvel Boy - Vance Astrovik

Firestar - Angelica Jones

Triathlon a.k.a. 3-D Man - Delroy Garrett 

Silverclaw - Maria de Guadalupe Santiago

Jack of Hearts - Jack Hart

 Ant-Man (Eric O'Grady) - Scott Edward Harris Lang

Captain Britain a.k.a. Lionheart - Kelsey Leigh Shorr

Luke Cage a.k.a. Power Man - Carl Lucas (birth name) Lucas Cage (legal name)

Wolverine - James "Logan" Howlett

Sentry - Robert Reynolds

 Echo a.k.a. Ronin - Maya Lopez

Ares - Ares (a.k.a. John Aaron)

Amadeus Cho - Amadeus Cho

Jocasta - Jocasta

Stature

Vision a.k.a. Iron Lad - Jonas (alias)

Maria Hill - Maria Hill

Valkyrie - Brunnhilde

Nova (Richard Rider) - Richard Rider

Sharon Carter - Sharon Carter

Iron Fist - Daniel Thomas Rand-Kai

Xorr the God-Jewel - Jessica Campbell Jones

Victoria Hand

 Rick Jones - Richard Milhouse Jones

Captain Marvel - Mar-Vell (a.k.a. Walter Lawson)

Whizzer - Robert L. Frank Sr.

Marrina

Yellowjacket - Rita DeMara

Magdalene - Marissa Darrow

Deathcry - unrevealed

Moira Brandon - Moira Brandon

Masque - Guillietta Nefaria (birth name), Whitney Frost (legal name)

Doctor Strange - Stephen Vincent Strange

Yondu - Yondu Udonta

Martinex - Martinex T'Naga

Charlie-27 

Nikki - Nicholette Gold

Starhawk - Stakar Ogord

Aleta Ogord - Aleta Ogord

Vance Astro - Vance Astrovik

Ravonna a.k.a. - Ravonna Lexus Renslayer

Hawkeye