Wonder Woman is a superheroine whereas Captain Britain and Captain America are superheroes.
Wonder Woman and Captain Britain can fly whereas Captain America can't fly.
Captain America has got a shield for protect himself from blows of enemies while Wonder Woman has got a pair of bracelet bulletproof whereas Captain Britain has got no Tools for protect himself from enemies.
Captain America and Wonder Woman are created in 1941 while Captain Britain who is appared in 1976.
Captain America an Captain Britain wear uniforms with colors of flags whereas Wonder Woman.