new image on Instagram featuring Bloodsport and The Thinker, played by Idris Elba and “Doctor Who” alum Peter Capaldi, in some nightclub duds.In the comics, Bloodsport is a Vietnam draft dodger stricken with guilt over the disfigurement of his brother, who fought in the war in his place. Lex Luthor uses that grief to persuade him to attack Superman with guns that shoot Kryptonite bullets.