As ruthless as Owlman is, he has a soft spot for Nightwing as his universe's Nightwing was brutally murdered by the Joker. Owlman goes as far as to free Nightwing and ask for his help in taking down Ultraman.
To convince Bizarro to overcome his fear of the dark, Lex Luthor tells the clone a story about how he overcame his fear of failure. It takes a second to process, but Bizarro is inspired and says his first words.
Bizarro: Bizarro... try.
Lex is surprised by the sudden revelation that his creation is not so mindless after all.
The cherry on top of the heartwarming sundae is that right after Bizarro names himself "Bizarro", Lex immediately follows suit and does so himself.
Cyborg embracing his father, and forgiving him for the imperfect relationship they had before his accident.
In Issue 5, we have this from Lex:
Lex Luthor: That's right, Bizarro. Blockbuster was a bad man. You're a good boy.
The reclusive and emotionally sheltered Will Magnus first scorns and then accepts The Metal Men as his own family, that he feels the need to protect.
Batman & Nightwing's reunion in Issue 6:
Batman: I am not leaving you, Dick. I am not abandonning you. Nightwing: You aren't, Bruce. And you never have.