Let me take a stab at who's who:
Songbird (New Avengers)
Hyperion (Squadron Supreme)
Galactus (Ultimates)
Peter Parker Spider-Man (Uncanny Avengers)
Doctor Spectrum (Squadron Supreme)
Wiccan (New Avengers)
Vision (Avengers)
Nova (Avengers)
Captain Marvel (Ultimates and A-Force)
Human Torch (Uncanny Avengers)
Iron Man (Avengers)
Captain America/Falcon (Avengers)
Black Panther (Ultimates)
Nico Minoru (A-Force)
Deadpool (Uncanny Avengers)
Spectrum (Ultimates)
Blue Marvel (Ultimates)
some iron guy (don't know)
Power Man (New Avengers)
Steve Rogers (Uncanny Avengers)
Hulkling (New Avengers)
Medusa (A-Force)
Miss America (Ultimates)
Rogue (Uncanny Avengers)
Nighthawk (Squadron Supreme)
Brother Voodoo (Uncanny Avengers)
Sunspot (New Avengers)
She-Hulk (A-Force)
Singularity (A-Force)
White Tiger (New Avengers)
Dazzler (A-Force)
She-Thor (Avengers)
Blur (Squadron Supreme)
Squirrel Girl (New Avengers)
Quicksilver (Uncanny Avengers)
Synapse (Uncanny Avengers)
Psylocke (IDK)
Miles Morales Spider-Man (Avengers)
Ms. Marvel Kamala Khan (Avengers)
Hawkeye (New Avengers)
If I were writing an Avengers title, my line-up would be Iron Man (leader), Hank Pym as Goliath, Wasp, Steve Rogers, Hawkeye, Quicksilver, Scarlet Witch, Vision, Black Widow, Wonder Man, Captain Marvel, She-Hulk, and a new African-American member
