The above Arrow season 5 preview (subtitled ‘Can’t Be Stopped’), among other things, shows Oliver seeking out and training a new team.
This left Oliver and Felicity as the remaining members of Team Arrow.
After Oliver Queen and the rest of Team Arrow defeated Damien Darhk at the end of season 4, the various members of the team looked to be going their separate ways.
The new group of vigilantes were recently teased in a bunch of set photos, amplifying excitement for the upcoming season of Arrow.