Neb. Rev. Stat. § 25-320: Neb. Rev. Stat. § 25-320

All persons may be joined in one action as defendants if there is asserted against them jointly, severally, or in the alternative any right to relief in respect of or arising out of the same transaction, occurrence, or series of transactions or occurrences and if any question of law or fact common to all defendants will arise in the action.