Marvel Unlimited offers its Marvel Unlimited 1-Month Online Comic Reading Subscription for free via coupon code "STARWARS". That's $1 under our December mention and the lowest price we've seen for a month of this online comic book service, which boasts 15,000 titles. Deal ends May 5.
Note: Sign-up registers you for a monthly subscription. Be sure to cancel it to avoid being billed for subsequent months at $9.99 per month.