And matching those up with the MCU cast members that we already have ... and this seems like it may ultimately be a secret HYDRA ploy (Valentina is “Madame Hydra” after all, in the comics).

Steve Rogers and Sam Wilson have both fought powerful villains across the Marvel universe, including the Red Skull, ...

Multiple villains are agents of the Hydra organization ... That changed when Phase Two of the Marvel Cinematic Universe came along, portraying him with more grit and a serious tone.