Characters we've seen in All New All Different Marvel Covers
Let me know if I missed someone so I can add them to this list :)
I didn't Include the Illuminati and Villains-sorry
People from the Illuminati Cover-I'm not sure if they are villains here-Human Fly,Tiger Shark,Black Talon,Jack O Lantern
No Comic Vine Pages for:
Aerolite-Guardians of Infinity
Alhazen-Guardians of Infinity
Blade-New Female Blade
Blindspot-Daredevil
Masacre-Deadpool 3.1 Tres Punto Uno Mexican Deadpool
Moon Girl-Moon Girl and Devil Dinosaur
Old Man Clint Barton and Old (wo)man??Old Girl??? Kate Bishop
Spider-Man UK - Web Warriors
Stella Nega-Guardians of Infinity
Possibly X-Man.Not quite confirmed
Gwenpool-Gwenpool :P
Godess Hekate
Emerald Warlock-Uncanny Avengers (unknown if he is a villain)
Avengers of 20XX (unknown if they are villains)
All New All Different Falcon (unknown if he is a villain)