Invasion! was a three issue comic book limited series and crossover event published in 1988 by DC Comics. It was plotted by Keith Giffen, and ties up a great many plotlines from various Giffen-created DC series, including Omega Men, Justice League International, and Legion of Super-Heroes. A trade paperback collection of the three issues was released on September 3, 2008.The series was scripted by Bill Mantlo; it was his first work for DC after a long career at Marvel Comics. Pencils were by Todd McFarlane, Bart Sears, and Giffen himself; inks were by Joe Rubinstein, P. Craig Russell, Tom Christopher, Dick Giordano and Al Gordon. All three covers were pencilled by Bart Sears, including issue #1, contrary to DC's credits listing. Source: Wikipedia (en)