Ms. Lion

Few characters in Marvel's Modern Age capture the sheer delight of comics quite like Ms. Lion, who bounded onto the scene in 2009's Lockjaw and the Pet Avengers courtesy of Chris Eliopoulos, Ig Guara, and Colleen Coover. This pint-sized Marvel pup runs with an extraordinary crowd — sharing adventures with the teleporting Lockjaw, the mighty Throg, Hairball, and the X-Men's own Lockheed across a trio of genuinely charming series. With appearances spanning Lockjaw & the Pet Avengers: Unleashed and Avengers vs. the Pet Avengers, Ms. Lion may have a modest catalog footprint, but every appearance is part of one of Marvel's most warmhearted corners — proof that heroism comes in all shapes, sizes, and species.