Scenario 1: Speed Equalized

Scenario 2: Strength Equalized

Scenario 3: Durability Equalized

They take on each universe one at a time.

Everyone is bloodlusted except Supermen

MCU:

Thor (Storm Breaker) , Vision, Hulk, Hela, Thanos (Power Gem), Iron Man and Dr Strange, Fenrir, Wanda, Ghost Rider

CW:

Supergirl, Flash, Firestorm, Live wire, Reign, Martian Manhunter, Superman

Vibe, Devoe

FOX:

Apocalypse, Magneto, Jean Grey, Colossus, Juggernaut, Cable, Psylocke

Storm, Cyclops

DCEU:

Doomsday, Wonder Woman, Aquaman, Batman (Armour and Kryptonite weapons) Flash, Steppenwolf, Ares, General ZOD, Faora, Namek

Smallville:

Supergirl, General ZOD, Doomsday, Titan, Darkseid

Supermen would win.

The only threats are The smallville team and Cw Flash/devoe the rest gets murdered

Clears.

Darkseid hard stops the Superman team.

Everyone else save maybe Doomsday gets unholy stomped (yes, even Smallville Supergirl. She's just not on her cousins level)