Secret Avengers (Civil War) members:

Spider-Man (Peter Parker)
Captain America (Steven Rogers)
Nathan Summers
T'Challa
Ororo Munroe
Matthew Murdock
Frank Castle
Luke Cage
Daniel Rand
William Kaplan
Jonathan Storm
Hercules
Susan Storm
Theodore Rufus Altman (Hulkling)
Katherine Bishop
Thomas Shepherd
Tandy Bowen
Julia Carpenter
Elijah Bradley
Greer Grant
Samuel Wilson
Cassandra Lang
Tyrone Johnson
Monica Rambeau
X-51
Jane Foster
Vance Astrovik
Veranke
Rachel Leighton
William Foster
Tsu-Zana
Vision (Jonas)
Kyle Richmond
Tanya Sealy  http://marvel.wikia.com/Tanya_Sealy_(Earth-616)
Richard Gilmore
Cleo Nefertiti
Lemar Hoskins
Delroy Garrett Jr.
Miguel Santos
Eric Savin
Bonita Juarez
James Bourne
Silhouette Chord   http://marvel.wikia.com/Silhouette_Chord_(Earth-616)
Maximillian Coleridge
Deborah Fields   http://marvel.wikia.com/Deborah_Fields_(Earth-616)
Walter Newell   http://marvel.wikia.com/Walter_Newell_(Earth-616)
Rina Patel   http://marvel.wikia.com/Rina_Patel_(Earth-616)
N'Kantu
Linda Carter   http://marvel.wikia.com/Linda_Carter_(Earth-616)
Robin Braxton
Obax Majid
Jesse Black Crow
Gordon Thomas   http://marvel.wikia.com/Gordon_Thomas_(Earth-616)
Valerie Martin   http://marvel.wikia.com/Valerie_Martin_(Earth-616)
Thomas Samuels