Are lord Shiva and Vishnu gods of a specific Universe like Bramha or are they Multiversal?

 In Hinduism, Lord Shiva and Lord Vishnu are considered as two of the most important deities. Both are considered as supreme deities and are worshiped in many different forms and incarnations across the Indian subcontinent. They are considered as multiversal gods and are believed to have the power to create and sustain the universe. Additionally, Lord Brahma is considered as the creator of the universe and is often depicted as being born from a lotus flower that grows from the navel of Lord Vishnu.