It was recently announced that Dr. Pepper and DC Comics teamed up to release the tie-in prequel comics for Batman v Superman: Dawn of Justice. The first chapter has been released and you can unlock it with the purchase of a Dr. Pepper 20 oz. drink. In this first chapter, Batman takes on Firefly as he makes his first appearance in the DCEU.
Batman v Superman: Dawn of Justice hits theaters March 25th, 2016.
Fearing the actions of a god-like super hero left unchecked, Gotham City’s own formidable, forceful vigilante takes on Metropolis’s most revered, modern-day savior, while the world wrestles with what sort of hero it really needs. And with Batman and Superman at war with one another, a new threat quickly arises, putting mankind in greater danger than it’s ever known before. Starring Henry Cavill, Ben Affleck, Gal Gadot, with Amy Adams, Laurence Fishburne, Diane Lane, Jesse Eisenberg, Jeremy Irons, and Holly Hunter, Batman v Superman: Dawn of Justice is directed by Zack Snyder, written by Chris Terrio from David S. Goyer's screenplay.