Secret Wars

Secret Wars (1984) was the first big crossover event to affect an entire comic universe, beating DC Comics' Crisis On Infinite Earths by a year. Whereas Crisis was born out of a desire to simplify the DC Universe, Secret Wars was created - initially at least - to sell toys. In 1983, Mattel approached Marvel to create a comic series that would feature a large cast of Marvel characters, so they could launch a new toy line off the back of it. They'd already had a huge hit with their Masters of the Universe toys, but since their rivals in the toy industry, Kenner, had licensed DC's characters for a toy line, Mattel decided it would be a good idea to license Marvel's characters. Initially, series editor Tom DeFalco was reluctant to launch a stand-alone series, and when he finally came round to the idea, he wanted it to be called simply, "Marvel Super Heroes." However, Mattel's marketing department had decided that the words, "secret" and "wars...