With tequila, what you are running is ICON; an external launcher that lets you access the costume creator.
That's all it does, it is not the game.
There is an effort underway right now to buy the CoH IP from NCSoft and to bring back the game.
That deal is nowhere near done yet, it's just in the works.
Go read the first posts on the threads "And the mask comes off" and "New Efforts" under the "Task Force Hail Mary" forum for more information.
Bottom line -- right now there is no CoH game running, but there is hope that it may return yet.