Maxie and 99 and the Fruity Beauty.
Cargo ship docked in port in New York carrying a load of pineapples.
Maxie, citing the fact that "pineapple" is gangster's slang for hand-grenade, suspects that it may be involved in a K.A.O.S. plot to blow up the Statue of Liberty.
However, spending three hours examining every individual specimen reveals that they are real pineapples
[Comic Strip Story #14 (Unofficial title: "Liberty or Death)].