Fight as One

The cast is ready. Yay!
The tentative names, from top to bottom, from left to right, are:
Violet Witch
Sparrow
Gale
Ms. Marevel
The Sentry (duh)
The Drake
Spider-Colt
Ant-Stallion/Giant-Stallion
Heavy Artillery
Dr. Swirl
Spider-Mare
Agent Spitfire
Agent Soarin Coltson
Golden Eagle
Pink Widow
Azure Lightning
Ursarine
Captain Equestria
Iron Stallion
Director Armor
Wasp (Couldn't find a better name)
Blizzard Guardian
Gullfaxi
Hummingbird
I know, some of them sound lame, some others not so much xP. Can you identify all the characters? No OCs used
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Edit: OMG this is on ED. That's three in a row. Thanks everyone!