Marvel (#Crimson) Back to listing Description The Crimson Cowl (real name Justine Hammer) is a fictional supervillain appearing in books published by Marvel Comics universe, in particular those featuring Thunderbolts and Iron Man, for whom she has served as a recurring adversary. Name Crimson Cowl (Justine Hammer) Super Name Crimson Cowl Code Crimson-Cowl-Justine-Hammer Are you sure you want to %action_name%?