Jack Kirby: Daring Mystery Comics #8 - January 1942

Daring Mystery Comics #8 appears to be Kirby's first "heroes coming at you in a V formation" cover. 

January 1942: Daring Mystery Comics #8

You're a True Believer if...

you know which "Daring" cover character was among the heroes conjured up by Rick Jones in the Avengers Kree-Skrull War!😉