Win by KO or by killing the other foe in the battle. No BFR/incap
Henshaw is Post Crisis only. Justice League have N52 feats and are at default strength
JL get 30 minutes prep with basic knowledge
R1- Henshaw is ringless.
R2- Henshaw gets his Power Rings.
R3- JL get 5 hours of prep, as well as N52 Lex Luthor and Orion. Batman is in his Justice Buster suit, and Henshaw gets his rings, as well as the assistance of N52 Sinestro and Mysterio.
R4- N52 JL are replaced by their Post Crisis counterparts, Henshaw gets 5 hours prep with Post Crisis Brother EYE and Maxwell Lord. No limits, morals are off.
R5- Post Crisis Darkseid faces the N52 JL and Henshaw. They get 5 hours of prep, perfect teamwork, and are morals off