Viper

 

Alternate Reality Versions

(Earth-88)	(Days of Future Infinity) (Earth-101)	(Marvel Nexus) (Earth-515)	(Marvel Unleashed) (Earth-606)
Madame HYDRA (Earth-1047)	(Offspringaverse) (Earth-1175)	(Great Universe) (Earth-1210)	Madame Hydra (Avengers & Mutant Conflict) (Earth-1342)

Madame Hydra (Earth-1836)	Madame Viper (Earth-4577)	Madame Hydra (Earth-54321)	(Prime Universe) (Earth-61609)
(Modern Universe) (Earth-61615)

 

Movies

(Earth-464)

(Earth-19998)

Madame Hydra (Community MCU Reboot) (Earth-26287)

 

Television

(Assemble!) Project Cerebro-X (Earth-1010)

(Marvel Animated Universe) (Earth-6160)

 

Video Games

Template:Number to Name/1 (Earth-1)

Madame Hydra (Avengers: Age of Ultron (game)) (Earth-121350)

 

Others

Yelena Belova (Earth-606)	Madame Hydra (Natasha Romanoff) (Hydraverse) (Earth-688)	Madame Hydra (identity unknown) (Marvel Ultiverse) (Earth-981)	MJ Watson (Earth-3000)
Jordan Dixon (A New Legacy) (Earth-3116)