After the death of Commissioner James Gordon, Red Hood seeks revenge on Joker.
When Kid Flash gets his powers, he must be trained by Jay Garrick.
Red Hood and Kid Flash try to rescue "the beast boy" but in the process Red hood gets captured.
After the creation of the Teen Titans Green Arrow wants a sidekick, so he asks Red Arrow to be his sidekick.
When Flash goes back in time to see his grandson the timeline is altered so Wally is mad at Barry.
When Kid Flash goes back in time to kill his father the timeline is altered.