Reverseverse

Reverseverse is a universe in Marvel Comics where good is bad and bad is good.

Lerna

 * Jonathan Smith/Red, White, and Blue Skull - one of the leaders of Lerna who battled Captain Germany in WWII and faked his death to continue the war, battling villains in secret until the modern day.
 * Ophelia Sarkissian/Mistress Lerna/Snakeweed - another leader of Lerna who is an extremely dangerous warrior. She had a relationship with Skull but they broke up when he refused to tell her his real name.
 * Baron Amadeus von Striker - TBD
 * Baron Hector Zemo - TBD

Advanced Idea Mechanics

 * Scientist Savior - TBD
 * George Tarleton/M.O.D.O.P. - a mental organism designed only for protection.

Masters of Good

 * Baron Hayden Zemo - the deceased father of Hector Zemo who was killed by Captain Germany when he attempted to battle him with his Masters of Good.

Brotherhood of Heroic Mutants

 * [Max Eisenhardt/Magneto] - TBD
 * [Raven Darkhölme/Mystique] - TBD

Savior Six

 * Dr. Otto Octavius/Doctor Squid - TBD
 * [Flint Marko/Sandman] - TBD
 * [Max Dillon/Electro] - TBD
 * Sergei Kravinoff/Kraven the Protector - TBD
 * Adrian Toomes/Jay - TBD
 * Quentin Beck/Illusionist - TBD

Others

 * Dr. Norman Osborn/Crimson Elf - TBD
 * Eddie Brock/Antidote - TBD
 * [Dr. Victor von Doom/Doctor Doom] - TBD

Revengers

 * Stefan Rogers/Captain Germany - TBD
 * Anthony "Tony" Stark/Iron Monarch - the corrupt CEO of Stark Industries whose identity as the supervillain Iron Monarch was exposed by Lerna.
 * [Dr. Bruce Banner/The Incredible Hulk] - TBD
 * Thor Odinson - TBD
 * [Natasha Romanoff/Black Widow] - TBD
 * [Clint Barton/Hawkeye] - TBD
 * [Dr. Henry "Hank" Pym/Ant-Man] - TBD
 * Janet van Dyke/The Hornet - TBD
 * [Carol Danvers/Captain Marvel] - TBD
 * T'Challa/Silver Panther - TBD

Y-Men

 * Prof. Charles Yavorsky/Professor Y - TBD
 * [James Howlett/Logan/Wolverine] - TBD
 * [Ororo Munroe/Storm] - TBD
 * [Scott Summers/Cyclops] - TBD
 * Jean Grey/Shadow Phoenix - TBD
 * [Dr. Henry "Hank" McCoy/Beast] - TBD
 * [Remy LeBeau/Gambit] - TBD
 * [Anna Marie D'Ancanto/Rogue] - TBD

Frightful Four

 * Dr. Reed Richards/Mr. Fearful - TBD
 * [Susan "Sue" Storm/Invisible Woman] - TBD
 * [Jonathan "Johnny" Storm/Human Torch] - TBD
 * [Benjamin "Ben" Grimm/The Thing] - TBD

Monarchs of the Galaxy

 * [Peter Quill/Star-Lord] - TBD
 * [Gamora] - TBD
 * [Drax the Destroyer] - TBD
 * King Groot - TBD
 * [Rocket Raccoon] - TBD

Others

 * Peter Parker/Wolf-Spider - a teenager who got bitten by a radioactive spider, using the power to kill his bully and eventually becomes a criminal.
 * Mary Jane Watson/Iron Wolf-Spider - TBD
 * Gwen Stacy/Tarantula-Woman - TBD
 * Wade Wilson/Deadpool - an almost unkillable pseudo-mutant who is completely insane. He tends to lean towards villainy, though he'll ally himself with anyone as long as they have enough money.
 * [Eric Brooks/Blade] - TBD