Captain America and The Falcon: Secret Empire

Red Skull

Johann Shmidt

Banshee

Sean Cassidy

Bucky

James Buchanan Barnes' costumed alias

Sharon Carter

Agent 13 / Iron Patriot

Lorna Dane

Polaris

Blob

Fred Dukes

Kang the Conqueror

Nathaniel Richards, typically from Earth-6311

Mole Man

Harvey Elder

M.O.D.O.K.

George Tarleton

Gabe Jones

Howling Commandos

Mastermind

Jason Wyngarde

Redwing

Falcon's bird

Boomerang

Fred Myers

Moonstone

Karla Sofen

Peggy Carter

from Captain America

Viper

Ophelia Sarkissian

Mesmero

Vincent, from X-Men

Unus the Untouchable

Gunther Bain, Angelo Unuscione

Doctor Faustus

Marvel, Johann Fennhoff

Leila

Detectives Inc.

Dr. Abraham Erskine

creator of the Super-Soldier Serum

Diamondhead

Archibald Dyker, Marvel

Linda Donaldson

Marvel

Quentin Harderman

Marvel

Stoneface

Harlem crime boss, Marvel