Read Time:1 Minute, 13 Second Branding Campaigns Featured News Stubborn Soda Pops with Robert Kirkman Partnership Olivia Pearce August 9, 2016August 9, 2016 Share Stubborn Soda has partnered with The Walking Dead’s Robert Kirkman and Skybound Entertainment to launch the brand’s campaign. Stubborn Soda, a new line under PepsiCo,...