An issue used to be published Monthly . This book was published in Issue #1 January 1989,Issue #2 February 1989,Issue #3 March 1989 . The name of the book is Invasion!and it was published by DC Comics . The main characters of this book are Justice League International . Invasion! was a Mini-series . The book has 3 issues
Invasion! was published from Issue #2 February 1989