Eva Belyakov was an Inhuman with superstrength. She was the mother of Katya.
Eva Belyakov was an Inhuman with the ability of extraordinary strength. She was the inhuman behind Melinda's mission in Bahrain, the mission that earned the name "The Cavalry".
Eva Belyakov was an Inhuman who went rogue after stealing an assortment of Terrigen Crystals, which she used to trigger the Terrigenesis of her daughter Katya. Together, the pair caused mayhem in Bahrain before being crossed off by S.H.I.E.L.D. Agent Melinda May.