Nick Fury started out in comics leading a group of soldiers known as the Howling Commandos. In "Secret Invasion," the latest Disney+ series, the SHIELD chief, a.k.a. Samuel L. Jackson, fronts a mostly entertaining game of Marvel-supporting-character Bingo, seeking to thwart a plot by shapeshifting Skrulls with their cinematic roots in the "Captain Marvel" movies.

They often arrive at work unsure exactly who and what they’ll be teaching—but they have some tricks up their sleeves to get up to speed quickly.