DC and Marvel crossover history

Every crossover here is a comic book unless noted. 

1976-1996

• Superman vs. The Amazing Spider-Man (March 1976)
• Superman and Spider-Man (July 1981)
• Batman and the Incredible Hulk (September 1981)
• The Uncanny X-Men and the New Teen Titans (November 1982)
• Batman/Punisher: Lake of Fire (August 1994)
• Punisher/Batman: Deadly Knights (October 1994)
• Darkseid vs. Galactus: The Hunger (October 1995)
• Spider-Man and Batman (December 1995)
• Green Lantern/Silver Surfer: Unholy Alliances (February 1996)

1996-present (pictured here is the I Love Lucy episode "Lucy and Superman")

• DC vs. Marvel (February-May 1996)
• All Access (October 1996-December 1997)
• Silver Surfer/Superman (January 1997)
• Batman/Captain America (February 1997)
• Daredevil/Batman (March 1997)
• Gen¹³/Generation X (July 1997)
• Batman and Spider-Man (October 1997)
• Unlimited Access (December 1997-March 1998)
• Superman/Fantastic Four (April 1999)
• The Incredible Hulk vs. Superman (July 1999)
• Batman/Daredevil (January 2000)
• Men in Black/Superman: The Animated Series promo (March 2000 on Kids' WB)
• JLA/Avengers (September 2003-February 2004)