Crossword clues for Join us! 4 lettersAnswerClueWWIIThe US joined it in '41COMEJoin us!COMEYou should join us!INORAre you __ not?: "Joining us?"AETNAYou Don't Join Us, We Join You insurance companyYOUINWanna join us?COMEOUTSIDEIt's a beautiful day -- join us!SITJoin us at the tableCOOLIOSDOWNThe guy who sang 'Gangsta's Paradise' wants to join us?PAYAVALETTERISITYour name is Hatcher, not Parker! Tip the guy in the vest and come join us at the table?SITJoin us!IVEEATENJoin us for lunch? regretsYOUINGonna join us?WWIThe US joined it in '17WADESINBaseball's Boggs has agreed to join us