It's been a few months since the last "epic" lease deal -- the Spark EV, and before that, the 500e.
I've been playing around with some numbers (i.e., BMW's lease program for the i3), and I found out that their i3 (either full-electric or with the range extender) can be leased for around $130/month, $0 net down payment, before taxes and fees.
It requires putting down a security deposit to lower the money factor, as well as certain targeted incentives (recent college grad, etc.). Without them, the lease is about $200/month with $0 net down payment.
You can read about the deal here:
It's not as cheap as the Spark EV, but then again, this is a $50K+ car with a really nice interior and advanced construction.