20 Best Easter Eggs In 2016 Movies

A nod to one of Batman's most iconic foes, The Riddler, appears when the Caped Crusader (Ben Affleck) is preparing to face off against Superman (Henry Cavill).

The low lighting (with occasional flashes of lightning) makes this one tough to spot on an initial viewing, but amid the ruins, a stylised "?" can be seen in graffiti form on one of the building's pillars, an undeniable reference to the supervillain.

Whether it's simply a playful tease or actually a hint at what's to come is a whole other can of worms, but it's still cool for fans to see such a memorable character get acknowledged.