Coover was born in Iowa. She identifies as bisexual. . In a question and answer with comic book website Project Fanboy, Coover spoke of her long term involvement with Marvel Comics writer Paul Tobin, whom she met at a local comic book store she regularly frequented. Coover and Tobin were married in August 2007.

Career

Coover has contributed comic work to Out magazine and has done illustration and cover design for various publications, including On Our Backs, Girlfriends, Curve, Kitchen Sink, and Nickelodeon Magazine; and for publishers including Buckle Down Publishing, Alyson Books, Cleis Press, and Dark Horse Comics.

She illustrated the graphic novel Gingerbread Girl.

Coover is a member of Periscope Studio and the Comic Art Collective.

Coover participated in the panels: "Prism Queer Press Grant Portfolio Review", "Love is in the Air: LGBT Romance Comics", and "Women of Marvel" at the San Diego Comic Convention 2009.

Comics

• The Age of The Sentry #3: "She Loved A Monster!" (2008)
• Amazing Spider-Girl #25-28
• Amazing Spider-Man Family #3-4
• Fantastic Four Giant-Size Adventures #1: "Susan Storm and Misty Knight in: The Importance of Being Invisible" (August 2009, 9 pages)
• Girl Comics #1: "Introduction" (May 2010)
• Iron Man and Power Pack #4: "Dog & Pony Show" (April 2008)
• King-Size Spider-Man Summer Special # 1: "Un-Enchanted Evening" (2008)
• Lockjaw and the Pet Avengers #1: "Thor Frog Origin Thingy" (July 2009)
• Models Inc #3: "Brains!" (back-up story) (December 2009)
• Power Pack: Day One #1-4 (May—August 2008)
• Tails Of The Pet Avengers #1: Terrier On The High Seas (story and art) and Birds of a Different Feather (April 2010)
• Uncanny X-Men: First Class #1 (inked, joint-colored, joint-lettered)
• Wolverine: First Class #8: "Kitty’s Dream" (December 2008)
• First Class #3, 5-6, 9, 11-15 (October 2007 - October 2008)
• X-Men: First Class Finals #1-3 (April—June 2009)
• X-Men First Class Special: "The Key; Men Fear the Blob; The Mental Might of Marvel Girl" (July 2009)

Books

• Small Favors Volume 1 (2002)
• Small Favors Volume 2 (2003)
• Banana Sunday (2006)
• Lockjaw and the Pet Avengers (2009) H/B inc. "Terrier On The High Seas" written & drawn by Colleen Coover; "Birds Of A Different Feather"
• Sentry: The Age of the Sentry (2009) inc. The Age of The Sentry #3: She Loved A Monster!
• Spider-Man: Amazing Friends inc. Take a Seat!
• Spider-Man: Spider-Women Digest (May 2009) inc. Un-enchanted Evening (from King-Size Spider-Man Summer Special #1)
• X-Men First Class: Mutant Mayhem (2008) inc. X-Men: First Class (2007) 1-5 and X-Men: First Class Special #1
• X-Men First Class: Band of Brothers (2008) inc. X-Men: First Class (2007) 6-10
• X-Men First Class: The Wonder Years (2009) inc. X-Men: First Class (2007) 11-16 and Giant-Size X-Men: First Class
• X-Men First Class: Finals (2009) inc. Scott and Jean Are On a Date! and X-Date Part 2 and X-Date Part 3