No, you DON'T in fact need to have watched a bunch of Disney streaming content (or even really the previous 'CAPTAIN MARVEL' movie) to watch Marvel's breezy gals-being-spacepals sci-fi adventure; but do you need to watch 'THE MARVELS' itself? Bob says "Sure!," providing Marvel's time-tested "Good time get-to-know-the-new-mascots quippy hang-out banter first, second, third and stakes/antagonists distant fourth" formula hasn't worn out on you just yet and a quick 100 minutes of breezy, divertingly-inventive jump-around action scenes sounds like a fun time out π