Panel from Earth X #½ (2000), co-plot by Alex Ross, co-plot and script by Jim Krueger, pencils and inks by Bill Reinhold, colors by Bill Reinhold, separations by Marie Javins, letters by Todd Klein
...if it wasn't for that meddling Alan Moore coming up with that plot twenty-five years before!
Panels from Watchmen #12 (October 1987), script by Alan Moore; pencils, inks, and letters by Dave Gibbons; colors by John Higgins
And Alan Moore would have gotten away with it too, if it wasn't for that meddling Outer Limits:
Final few minutes of The Outer Limits "The Architects of Fear" (September 30, 1963), written by Meyer Dolinsky, directed by Byron Haskin
"Say, Bully," you're asking, "when did you write this post?"
Special Bonus: Thanks to the magic of animated gifs, experience the world as Doctor Manhattan does!