Sidewinder, being the leader of the Serpent ... And interestingly enough, it turns out Esposito almost played a different Marvel character to face off against Anthony Mackie's Captain America.

Instead, we get Giancarlo Esposito’s “Sidewinder,” who is just a gun-toting, knife-wielding, generic mercenary character, providing yet another hollow name-drop instead of an actual Marvel ...

Marvel Studios' Captain America ... video as Giancarlo Esposito dives into his transformation into Sidewinder, discussing the character's motives, costume design, and how he fits into the film's ...