Cupid arrived back in his home dimension with his erotes servants, home of the Justice Avengers. A team with heroes like Superman, Batman, Iron Man, Thor and so on...
The erotes worked under his command, telepathically sense and carried out. Following the Omniversal Amo's mission statement, he made a list of villains and heroes. The list of which heroes has which villains, which villains might be interesting to match with a different hero, or which villain could best help which hero. All if they were lovers.
He also thought of heroes. With hero battles of the past, there have been rifts and hurt feelings. Any number of them could be healed with the more morally questionable heroes being romantically linked and submissived to the more moral ones. Following their lead to a better world. Again, seeing which heroes work with each other. Seeing which ones would be most interesting or best helpful to hook up.
Using divinely enhanced intellect to decide the links and hook up of heroes, he decided to start with heroes and villains within the city of...