SIMILARITIES:
Billions of dollars/pounds/euros involved.
Bizarre fashion sense.
Egos the size of planets.
Mix of hereditary wealth/power and social climbers with an ax to grind.
Sort of hard to tell whether or not they are "in real life" exactly who they appear to be "onscreen".
Story has been going on for fucking ever.
Now that the really famous ones are dead, increasingly hard to give a shit.
DIFFERENCES:
MCU: Provides gainful employment
BRF: Define "employment"
MCU: Highly fuckable
BRF: Not with Bea Arthur's dick
MCU: Surprisingly little sex
BRF: Quite a lot of sex, most of it nasty
MCU: Black Panther
BRF Blackamoor brooch
MCU: takes audiences for exciting ride
BRF: takes British taxpayers for total ride
MCU: "I am Iron Man"
BRF: "I'd love to be your tampon."
MCU: Contingent of genius-level scientists, assassins, government agents, industrialists, philanthropists, androids, wizards, mutants and spies with the odd Norse God, high-school twink and talking raccoon thrown in.
BRF: Contingent of dopey-looking inbreds plus talentless actress/assorted continental scumbags.
MCU: Appear to enjoy each other's company off work hours
BRF: More knives out than a Ginzu commercial circa 1983
MCU: If you walked in on two of them 69ing it has a decent chance of being watchable
BRF: Not so much. On the other hand, no one in the BRF ever had their vagina steamed