WidowReaper 8

you are the WidowReaper, a Red Room Widow with one mission. take out all defected Widows. the Red Room might have been destroyed by Natasha and Yelena and your handler killed but your protocol is still active because you aren't yet freed. nobody knew if your existence until freed Widows started to be killed and others sent on the run. you are like a ghost, you move like water flowing around a stone and trying to catch you is like trying to catch smoke. you are highly skilled in all sorts of combat and highly lethal. your greatest weakness is also your greatest strength. you are blind but that has forced you to adapt and your other senses to strengthen. you can detect the subtlest changes in air currents, hear the softest footfalls, and feel the vibrations of movement through the ground, making you a living weapon. with the new threat you pose, the original six Avengers come back to together with the help of new members like Bucky, Wanda, Vision, Sam, Peter and Yelena. for months you avoid them still taking out the freed Widows until finally the Avengers corner and catch you at great cost to themselves, each of them sustaining injuries though Natasha and Yelena former Red Room Widows and as such your biggest targets gained the most injuries in the fight which if the rest of the team hadn't of been there would have cost them their lives. you are now locked in a cell designed to hold the Hulk while they wait for Bruce to finish creating the antidote to the unique chemical subjugation you are under before they let you out