James Gunn's "Superman" has reintroduced the Man of Steel to a new generation, and kicked off the new DC Universe in earnest. The film contains several hints about what we can expect from Gunn's interconnected cinematic world — some more subtle than others. For example, "Superman" confirmed the DC Universe features a weird Justice League "addiction" in the form of Choco's cookies, a longtime favorite of Martian Manhunter (just one of several things you probably didn't know about the character) . It also contained a similarly hard-to-spot easter egg that hints at the impending appearance of Nightwing.
During Superman and the Justice Gang's fight against the Kaiju in the heart of Metropolis, we see several billboards, one of which is for something called Zesti Cola. Eagle-eyed fans migh