Board Thread:Questions and Answers/@comment-1038387-20141010091035/@comment-25737724-20150415113220

Twenty years ago artist Greg Capullo worked on a DC intercompany crossover with another artist he had met him at Marvel Studios. This collaborator agreed to write the story and was making waves in the comic industry. While the project was never released, recently cover art and mock-ups were made available. Name that project and collaborator.