Invasion Extra: First Strike! The aliens have overrun the South Pacific and the only hope of stopping this extraterrestrial threat lies with the unusual super-team of Firestorm, Firehawk, Power Girl and Starman. Story concludes in Starman (1988 1st Series) #5. Written by guest scripter Robert Greenberger, with art by Tom Grindberg and Sam De La Rosa. Cover by Grindberg and De La Rosa.