The blood of the coven (batfam)

Summary/deception
The titans join the justice league with nightwing as their leader yet the justice league has no idea that this is only one of the many protégés of the Big bad bat that are in their ranks.
Or
Nightwing gets injured by deathstroke in a fight leading to the league finding out about the bats many protégés.

Titans
Nightwing (Dick Grayson)
Kid Flash (Wally West)
Beast boy (Garfield Logan)
Blue beetle (Jaime Reyes)
Darkstar (Donna Troy)
Bumblebee (Karen Duncen)

Young Justice
Red Robin (Tim Drake)
Wonder Girl (Cassandra Sandsmark)
Super Boy (Connor Kent)
Miss Martian (Megan Morse)
Impulse (Bart Allen)
Tigress (Artemis Crock)

Outlaws
Red Hood (Jason Todd)
Starfire (Koriand'r)
Red Arrow (Roy Harper)
Artemis
Bizarro

Team
Robin (Damian Wayne)
Super boy (Jon Kent)
Lightning (Jennifer Pierce)
Thunder (Anissa Pierce)
Tornado twins (Don and Dawn Allen)

Birds of Prey
Black Canary (Dinah Lance)
Catwoman (Selena Kyle)
Huntress (Helena Bertinelli)
Spoiler (Stephanie Brown)
Orphan (Cassandra Cain)
Arrowette (Cassie King-Jones)

Justice League
Batman (Bruce Wayne)
Superman (Clark Kent)
Wonder Woman (Diana Prince)
Aquaman (Arthur Curry)
Green Arrow (Oliver Queen)
Flash (Barry Allen)
Martian Manhunter (John Jones)
Green Lantern (Hal Jordan)

'I probably won't write all of these people just thought I would make the teams up to help me right the story.'

I hope you enjoy this story it's my first so please tell me how I did and if there is anything I should change or have gotten wrong.

I don't own any of these characters