It will make filing your taxes easier if you file you first tax return as a husband-wife LLC as disregarded entity, the same as Single member LLC. To do so, you must file jointly and you'll need to split all your income and expenses in accordance to ownership and file two separate Schedule C with your tax return. Otherwise, you'll be required to file partnership tax return Form 1065, and a state tax return (in some states).
You can learn more about that here:
Married Couples in Business
