On January 15th, Rooster Teeth announced that they are doing a crossover with DC, where Team RWBY meets Remnant’s equivalent to the the Justice League. This will be a seven issues and the release date is only known as July 2021. Also they have revealed some designs for the Remnant’s Justice League.
Wonder Woman:
Superman:
Green Lantern:
Batman:
Aquaman:
Cyborg:
Flash: