User blog comment:Deadpool fan11/I demand a marvel vs dc videogame/@comment-4874047-20120526144626/@comment-4907202-20120531150241

"Hulk vs. Solomon Grundy or Superman" gave me an idea for how it all starts. Hulk rampages, running all the way to Metropolis and fights Solomon Grundy. Grundy is defeated and Hulk fights Superman. A god-like being reveals that Hulk is from another universe, the Marvel Universe. The avengers reveal themselves to Superman, and he declares war on the Marvel Universe.