Mostly in character archetypes.
An assassin-turned-bounty-hunter with a love triangle in his past involving his former crime partner.
His cop-turned-bounty-hunter current partner who always has to worry about their money issues.
A sexy criminal who sometimes joins the group when their interests coincide.
A young female prodigy.
No intelligent animal sidekick on Black Cat's side though.
(I should just save this so I don't have to rewrite the comparisons from scratch every time...)