Who is Deathstroke? Just a man who beat up the Justice League… by himself

Ben Affleck set the internet ablaze Monday morning by revealing Deathstroke test footage, suggesting the character will be the villain in Affleck’s solo Batman movie. For DC diehards, Deathstroke is a welcome addition to the stable of cinematic Batman rogues. For others, there is perhaps some curiosity as to who this character is and why they should be excited, so let’s do a little Deathstroke 101.