system
Given the following post, respond as if you're commenting on Reddit:
human
[Batman] I wanted to keep this question away from WWW, but what are the official canon feats of Batman's "prep time"?

No circlejerking of either spectrum (Anti-bats or God-bats CJ's). I want to know Comic Batman's official "Prep time" feats. Whether some could consider it PIS or not, I want official feats of Batman using Prep time to defeat an opponent.
gpt
JLA Tower of Babel arc, which JL:Doom was loosely based off of.  Ra's al Ghul co-ops Batman "prep time" plans for the JLA them and puts them into use.

* Martian Manhunter - J'onn is attacked by nanites composed of magnesium that ignite  when in contact with air.
* Aquaman - Incapacitated by a derivative of Scarecrow's fear toxin to make him hydrophobic.
* Green Lantern - Kyle is incapacitated by a post-hypnotic suggestion. His ring renders him blind, and and that severely cripples his ability to use it. 
* Wonder Woman - A specially designed nanite in her ear causes Diana to experience virtual combat with an opponent who can't be beat. Diana's inability to even consider surrender causes her body to physically give out eventually.
* Flash - Specially designed bullet is shot at Wally, reflexively he vibrates it through him. The bullet matches his vibration, attaches to his spine and causes gran mal seizures at near light speed. Eventually his body or mind would give out.
* Plastic Man - Frozen solid through and shattered.
* Superman - Batman had created a synthetic form of kryptonite that caused his skin to turn transparent. This caused him extreme pain as his internal organs to be exposed to sunlight, greatly overpowering him causing his powers to go haywire.