A Sunny AU where Frank is a notorious supervillain oligarch who is defeated by Philadelphia’s most famous superhero when Dee and Dennis are kids, and because they saw it all go down and grew up in the shadow of their father figure being this famously malevolent villain, they were completely ostracized and tormented by their peers growing up. Obviously they grow up to be supervillains themselves: Golden God and the Aluminum Monster. Basically Dee is an evil version of Iron Man and Dennis doesn’t have any real useful skills at all but is absolutely terrifying. Madness ensues.
(Bonus if Mac and Charlie are just two idiots, old high school friends they haven’t talked to in years, who come up with the brilliant idea to become vigilantes and rid the city of evil, but accidentally end up getting wrapped up in their evil schemes or whatever. I don’t know. You could Chardee Macdennis this up, if you wanna, or you could not, but the point is, I want it.)