Justice League Adventures — DC Comics
Issue: #7
Meet the Fastest Fax Alive as the League’s speediest member tries to save time by traveling through the telephone lines—and accidentally dials a fax machine by mistake! But being flat as a pancake isn’t all it’s cracked up to be, and when the fun of slipping under doorways wears off, the Flash thinks his career is over...until the Earth is invaded by amazingly thin creatures from the Second Dimens...
Creators: Stephen Wacker, Rick Burchett, Darwyn Cooke, Dan Raspler, Heroic Age, Joe Staton, Kurt Hathaway, John Kalisz, Len Kaminski
Characters: Batman, Superman, Martian Manhunter, Hawkgirl, Wonder Woman, John Stewart, Wally West