Black Widow, Deadly Hunter is a rare Legendary Creature — Human Assassin Hero card from Marvel Super Heroes Commander (MSC), collector number 648. Current market price: $0.94 (foil $3.48), TCGplayer market prices via Scryfall.
Deathtouch Whenever a creature you control with deathtouch deals combat damage to a player, you draw a card and lose 1 life.