Guys :D, Omni man would tear superman apart

If Superman was in the Invincible universe, then the Viltrumites would've never come to Earth, cause they'd be pissing their pants. In fact, imagine if the reason Krypton died was because the Viltrumites knew they wouldn't be able to defeat them, so they secretly teamed with Brainiac to destroy the planet.

Omni man vs doomsday

This syncs with Jidenna's Long Live The Chief Instrumental really well.

Definitely how it would go