When it comes time for Comic-Con, people dress up in costumes for the big event. Liev Schreiber actually went to the event with his children. Yahoo! shared that Liev Schreiber had his two boys with him, but he is getting a lot of mixed feelings for what one of his sons dressed up as for Comic-Con. He had two boys with him. One was dressed as a Jedi, but the other was dressed as Harley Quinn.