Often it starts with mutual respect. They recognize each other's abilities and dedication to justice. For instance, Superman respects Batman's ability to fight crime without powers, and Batman respects Superman's selfless use of his powers.
The worth of the world's finest comic books can be substantial. Factors like the comic's age, rarity, popularity of the characters, and the quality of preservation all play a role in determining its monetary value. Some can fetch astronomical prices at auctions or in the collector's market.
One possible reason could be mind control. Maybe some villain has taken over Superman's mind and made him do it. Another reason might be a fundamental difference in their ideologies that has escalated to the point of no return.
Lois Lane is often a popular character. In fanfiction, she might play a crucial role in mediating between Batman and Superman or getting involved in their adventures in a more hands - on way, using her investigative journalism skills.
Alfred Pennyworth is quite popular too. He can offer his wisdom and support to Batman, and his interactions with Superman can be both humorous and heartwarming. He's like the glue that holds things together in the Batcave, and his presence can bring a sense of home to the story.
The title 'world's finest 153 full story' is rather ambiguous. It might be a unique story created by an independent author, or it could be a misnomer or an inside joke within a certain community. If it's a story about 'the world's finest' something, it could be about people, things, or ideas that are considered the best in the world. But again, without further details, it's difficult to provide a more in - depth account.
It's about an assassin. Well, basically, it follows the story of a character who is considered to be one of the best assassins in a fictional world. There are often elements of adventure, combat, and strategy in such a story.