It seems like something straight out of 2003's "JLA/Avengers" or 1996's Amalgam Universe: DC Comics characters like Green Lantern Hal Jordan, Batman and Superman gliding across a screen inches away from graphics of Marvel's mightiest heroes.

Well, it's actually happening -- in a sense -- over at Marvel.com thanks to ads for the the upcoming "Green Lantern: First Flight" DVD, which comes out on Tuesday.

Sure, the two rival companies have historically advertised major media properties such as "The Dark Knight" and "Iron Man" in each other's publications and websites, but there's always something a bit endearing about the corporate symbiosis of it all.

Take a look at another screen grab after the jump: