Fantastic Four #4, page 23, panel 1
Writer: Stan Lee
Artist: Jack Kirby
Uncredited Inker: Sol Brodsky
Uncredited Letterer: Art Simek
Wow, they're really milking this new catchphrase! Four times in its very first issue!
Here, Johnny yells it as he prepares to create a tornado of unimaginable power that lifts both Namor and Giganto into the ocean, but doesn't affect anything else lying around (automobiles, rubble, nuclear fallout, etc.)
Check out our coverage of Fantastic Four #4 in our third episode: Super-Villain Cavalcade