4. Gerard Butler
Gerard Butler has proven that he can tackle big action projects with movies like Gamer, Olympus Has Fallen and its sequel, London Has Fallen. The actor is perhaps best known for playing Leonidas in 300, which was directed by Zack Snyder. He can definitely get in shape to look like someone who could go toe-to-toe with Affleck’s Batman, so I feel like he’d be a great pick for not just Deathstroke, but also most of the members of Batman’s rogue gallery.
