One Punch Man: A Hero Nobody Knows is expanding its roster out further, with three new fighters having just been announced for the game. Child Emperor, Spring Mustachio, and Handsome Ikemen have been confirmed for the anime brawler, and you'll be able to add them to your team in fights.
Child Emperor, a young fighter who uses mechanical arms to battle, is an S-Class Rank 5 professional hero in the anime. Spring Mustachio is a gentlemanly rapier user, and Handsome Ikemen--also known as Sweet Mask--is, well, very handsome.
They'll join the other previously announced characters when the game launches on February 28, 2020. And, of course, Saitama will be able to take them down with one punch (although, cleverly, it takes him a little while to arrive and do so--meaning that if you pick him, your other two team members will have to survive longer against your opponent's team of three.)
The second season of the One Punch Man anime aired in early 2019.