What The--?! works that spoof some of their all-time greatest successes. For example, in issue #2, Byrne creates a tale pitting his work on the Fantastic Four franchise against his work with Superman. The issue goes so far as to have the Lex Luthor character complain about the changes Byrne made to the Superman legend after DC Comics' "Crisis on Infinite Earths". Though it carried the Marvel Comics label on the front left corner, "What The--?!" touted itself as being published by "Marble Comics". "What The--?!" parodied Marvel institutions such as the legendary Marvel Comics fan mail page, with staged articles called
Marvel Comics of money with their 1980s children's comics imprint Star Comics and they earned a great deal more money and worldwide success during the comic book boom of the early 1990s, launching the successful 2099 line of comics set in the future ("Spider-Man 2099", etc.) and the creatively daring though commercially unsuccessful Razorline imprint of superhero comics created by novelist and filmmaker Clive Barker. In 1990, Marvel began selling Marvel Universe Cards with trading card maker SkyBox International. These were collectible trading cards that featured the characters and events of the Marvel Universe. The 1990s saw the rise of variant covers,