The main differences are in their expressions and some minor details of personality. In the manga, Deku might seem a bit more intense, while in the anime, he's sometimes presented a bit softer.
Deku might be completely shocked at first. Since Bakugou has always been so aggressive towards him, he would never expect such a confession. He might just stand there, mouth agape, not knowing what to say.
His friends could come to the rescue. Bakugo, for instance, might use his explosive power to break into Toga's hideout. He's always been competitive with Deku, but he also cares about him deeply.
In 'deku meets future deku fanfiction', perhaps the future Deku warns the present one about upcoming threats. He could tell him about villains he'll face in the future and how to defeat them. This would give the present Deku an edge in his battles and also in his growth as a hero.
Well, obviously Deku in two forms - the younger and the older version are the main characters. The younger Deku is the one who is still growing and learning, while the older Deku has more experience.
The list of members of the wolf pack in the novel Wolf Pack may vary from version to version and from adaptation to adaptation. The following is a list of possible members:
Mao Mao: The leader of the wolf pack has strong reproductive and hunting abilities.
2 Little Red Wolf (Rin Rin): The wolf's cub is smart and witty, and later becomes the leader of the wolf pack.
3. Little White Wolf (Little Liao): The cub of the Little Red Wolf and the Little Red Wolf became the leader of the pack.
4. Old Wolf (Lao Li): A senior member of the wolf pack who once served as the hunting captain.
5. Little Tiger Wolf (Cai Liu): The cub of the fifth wolf is smart and brave, ranking fifth in the pack.
6. Little Leopard Wolf (Xiao Leopard): The cubs of the little tiger wolf are agile and good at climbing and jumping.
7. Little Fox (Xiao Fox): The cub of the leopard wolf is cunning and agile. Together with the little tiger wolf, it has become the leader of the wolf pack.
8 Lao Li: The cubs of Lao Wu and Lao Si were separated due to their incompatible personalities and later rejoined the wolf pack.
Old Seven Wolf (Lao Li): Old Six Wolf's cub and Old Six Wolf have joined the wolf pack.
[10 Myna Bird (Octagon): Because of its special ability, it is regarded as an alien by other members of the wolf pack, but it has also become an important member of the wolf pack.]
One possible plot could be that Villain Deku is on a mission to undermine the hero society and crosses paths with Hero Deku. They engage in a fierce battle where Villain Deku taunts Hero Deku about his ideals. In the end, Hero Deku manages to get through to a small part of Villain Deku's conscience, leaving him with some doubts about his villainous path.
Another possibility is that a new villain emerges as a result of the time - travel or whatever mechanism brings future Deku to the present. This villain could be from a future where Deku's actions (or inactions) have led to a more dangerous world, and he travels back in time to stop Deku from making those mistakes again. However, his methods are extreme and dangerous, making him the antagonist of the story.
He might cry a lot. Deku is very emotional, and being cheated on would be a very painful experience for him. He could also get angry, which is rare for him, but this situation would be so unjust that he might not be able to hold it in. He'd probably start to question his self - worth too, thinking that there was something wrong with him that made his partner cheat.
Another plot might involve the older Deku being from an alternate timeline. He shows the younger Deku different ways he could have developed his skills and relationships, which makes the younger Deku reevaluate his own path as a hero.