If you're looking for manga similar to Tiger & Bunny the Movie: The Beginning, you might like these titles.
Monsters are on the loose! But luckily for the people of Japan, heroes are there to protect them, with powers that run on a rate of yen per second. For Hiasa Sen, however, there are many more important things to worry about, like catching sales on groceries, and his many part-time jobs, all to take care of his little sister. When danger approaches, however, he has a secret power of his own, but it may be more trouble than it's worth.
Relish is an evil organization plotting world domination. The organization’s mad scientist Dr. Takizawa uses a cell-restructuring device on a young man named Katagiri in hopes of creating a superhuman, but the experiment is a failure. After fleeing the organization, Katagiri is astonished to find that when night falls, his whole body turns jet black and he gains incredible strength and the ability to jump to great heights! Now as Shadowman, Katagiri begins to fight against Relish...
A hero who manages world peace. There were twins who longed for their overwhelming power and vowed to “become a 'hero.'" However, a few years later, his younger brother, Yosai, broke his dream and became a cleaning worker to clean up the heroes. Yosai tells herself that she has a position (rank) that was decided by nature, with her brother who became a hero sideways. However, when I saw the despair of my important childhood friend, the dolphin, I was prepared to go against that fate with the first and last resolutions!
Long ago, when danger approached the Earth, there existed people exhibiting their superhuman powers to save the planet; to help the weak; to defeat evil and to promote justice. Earth never hesitated to sacrifice such beings. The powerless set these people apart and honored them by calling them heroes. However...the era somehow changed...
Rokurou, the class cockroach (figuratively speaking), is visited at night by an alien girl who bestows magical powers upon him! Finally, he can ascend from his status of a complete nobody to the town's unique super hero! … Right?
Since the government announced the existence of people with “special powers” 10 years ago, Shindo Susumu has longed for his own amazing abilities. However, he finds himself to be nothing but an average 15-year-old. Then one day, during his high school entrance ceremony, a power finally awakens inside him…but it’s not exactly the kind he’d always hoped for!
Koichi Haimawari couldn’t make the cut to become an official hero, so he uses his modest Quirk to do good deeds in his spare time. Then one day a fateful encounter with some local thugs leads him to team up with two other unlikely heroes. None of them really know what they’re doing, but they’ve got the courage—or foolishness—to try. But they soon discover fighting evil takes more than just being brave…
When a sinister organization threatens to wipe out all superhuman powers, the fate of the world is on the line. With two hours until the collapse of civilization, Deku, Bakugo, and Todoroki manage to work as a team, but there’s still one problem. Deku’s on the run for murder.
From Birdman, a superman from space, he received a mysterious mask and cape. Wearing these, even a slightly clumsy elementary student can transform into Perman, a hero of justice! Rescue the weak, thwart the evil. Together with his three friends, Perman does his best every day to protect peace on Earth!