It gave MCU fans a taste of this demon's powers. If Dormammu decides to get serious, he can wipe out the entire universe in one fell swoop. This makes it easy to understand why Superman won't be ...

A powerful immortal sorceress, Madame Xanadu would easily bring down Superman if they were ever at odds. Etrigan the Demon is a Prince of Hell bound to the mortal form of the immortal Jason Blood.