Defenders

First Version Members
Daredevil

Iron Fist

Luke Cage / Power Man

Jessica Jones / Jewel

Night Nurse

Second Version Members
Daredevil

Iron Fist

Luke Cage / Power Man

Jessica Jones / Jewel

Punisher

Colleen Wing

Misty Knight

Night Nurse

New Defenders' Members
Moon Knight

Demolition Man

Shang Chi

Hellcat

Lethal Defenders' Members
Punisher

Agent Venom or Venom (Lethal Protector)

Echo / Ronin

Elektra

Gladiator (Melvin Potter)

All Members - Any Combination
Daredevil

Iron Fist

Luke Cage

Jessica Jones

Shang Chi

Hellcat

Colleen Wing

Misty Knight

Punisher

Moon Knight

Demolition Man

Gladiator (Melvin Potter)

Night Nurse

Night Thrasher

Elektra

Darkhawk

Scarlet Spider (Ben Reilly) and / or Scarlet Spider (Kaine)

White Tiger (Ava Ayala)

White Tiger (Hector Ayala)

White Tiger (Angela del Toro)

White Tiger (Kevin Cole)

Echo / Ronin

Spider-Woman (Jessica Drew)

Spider-Woman (Julia Carpenter)

Spider-Woman (Ultimate Jessica Drew)

Rage

Komodo

Maybe
Ronin?

Swordsman?