Vermin

Vermin (Edward Whelan) is a supervillain appearing in American comic books published by Marvel Comics. The character is usually depicted as an adversary of Captain America and Spider-Man. A geneticist working for Baron Zemo and Arnim Zola, Edward Whelan was subjected to an experiment that mutated him into a humanoid rat, gaining superhuman abilities, as well as the predatory instincts of a rat. The character's most notable appearance was in the storyline "Kraven's Last Hunt".