I'd say it would be really smart to have wave 2 match the characters in the current cartoon, Teen Titans Go or the previous cartoon, since that is probably what most people would relate to and may get more causal buyers:
(Robin)
Cyborg
Beast Boy
Starfire
Raven
Jinx
Gizmo
Mammoth
Terra
Doctor Light
(Robin)
Cyborg
Beast Boy
Starfire
Raven
Jinx
Gizmo
Mammoth
Terra
Doctor Light
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