Thanks @erika2144 for suggesting. Yeah, I think it would be cool. Sorry if you don't like the avenger of your sign ^_^

Aries: Hulk

Taurus: Hawkeye

Gemini: Wanda & Pietro

Cancer: Maria Hill

Leo: Iron Man

Virgo: Captain America

Libra: Thor

Scorpio: Black Widow

Sagittarius: Director Fury

Capricorn: Ultron

Aquarius: Jarvis

Pisces: Bruce Banner

Source: Picture below (Credit to owner)