Amazon has put up a listing for the Street Fighter VS Darkstalkers: Underworld Warriors Hardcover Edition, revealing a release date. According to the product page, the comic collection is slated to be released on Nov. 19, 2019, in the U.S. region. If you are interested, you can pre-order the hardcover edition with this link from the online retailer; furthermore, you can also check out what the front cover looks like with the image placed just below this paragraph.
Street Fighter VS Darkstalkers: Underworld Warriors Hardcover Edition is being published by Udon Entertainment with an ISBN-10 of 1772941158 in addition to an ISBN-13 of 978-1772941159. You can take a look at Amazon’s product description:
New hardcover collection celebrating the 25th anniversary of Darkstalkers! When the World Warriors meet the Night Warriors — they’ll raise Hell! These time-tested combatants have met many times in the arcades, but nothing can prepare you for their first action-packed, fan service-fueled comic crossover! Villains will unite, friends will become foes, and the worlds of Street Fighter and Darkstalkers will be changed forever! Collects the complete Street Fighter VS Darkstalkers comic series, plus all bonus stories and variant covers.
So, if you are a fan of both fighting game series, then you might want to take a look at the comic collection.