Who are the worst preppers?

Ra's Al Ghul is one of the worst preppers imo. Hundreds of years of experience and still can't beat Batman. Injustice Batman is up there too, 5 years and he can't beat the regime. He had to resort to help from an alternate universe .

Probably Rhino.

Swiper the Fox

but seriously, Loki imo.

@foxerdes: wow, I have been seriously underestimating him. Guy's a beast

Killer Croc... he picked up a rock.

Bizarro

The live action version, not the comic one.

Doom without plot

Almost all comic villains seeing as they always lose.

Plankton. Dude has so many convoluted plans to steal the krabby patty formula and they all get foiled by a dumb ass sponge

Darkseid.

Condiment king, who robs a bank with ketchup?

Bump

Not Batman.

Tantri the Mantri...