Amazon has put up a listing for the eight volume of the My Hero Academia manga, revealing the North American cover as well as several other details. If you are interested, Vol. 8 of the series is available for preorder with this link from the online retailer. You can take a look at the cover of the book (which is being published by VIZ Media with an ISBN-10 of 1421591677 as well as an ISBN-13 of 978-1421591674) with the image located just below this paragraph.
You can also take a look at the brief synopsis of My Hero Academia Vol. 8 below:
The U.A. students have reached the practical portion of their final exam, but they didn’t expect to have to beat their own teachers in order to pass! Paired with his archrival Bakugo, Midoriya has to try to take on none other than All Might himself. Working with Bakugo is one thing, but is giving everything he’s got to beat All Might more than Midoriya can handle? And in a nearby arena, Yaoyorozu and Todoroki endure a similar struggle. Meanwhile, a sinister new adversary prepares to make a move…
My Hero Academia Vol. 8 will be released on the 2nd of May in the North American region.