Unless the plan is for an early spin off.
Season three has the producers making two series, one called Batman, and the other called the Outsiders, running sequentially so the toon can take place all year long.
Although how expensive is the computer modelling that a new city would be a ridiculous waste of capital?
What's the limit on Seasons?
Or are you just estimating failure since Young Justice and Green lantern were both cancelled after 2 seasons?