I mean, in the comic Nightowl and Silk Specter was the kind of heroes that doesn't kills, as opposed to Rorschach after some point of his life. On the alley fight Silk Specter puts a knight on a thug throat, most of the essence from Watchmen was lost on this unnecessary violence. Watchmen could be told as a PG13 movie, but it would not made it a movie for kids.
I have big news for you, most framework are stackable, and you can use another framework like Spring to integrate them. Do not despair, start at your own pace and in a few days you will have a perfect architecture!