If the proliferation of shared cinematic universes has taught us anything, it's that no superhero is an island. (avclub.com)
Could a Rocky Balboa shared cinematic universe be on the cards? (flickeringmyth.com)
And as comic book films become more prevalent, perhaps this trend of world mashups will go beyond just shared cinematic universes and into this weird wave of smashing together disparate properties. (news.avclub.com)