I think it could be Doctor Strange. He is a master of the mystic arts. His knowledge of magic, different dimensions, and the ability to strategize in the face of otherworldly threats shows his high level of intelligence. He has to constantly learn and adapt to new and dangerous situations in the magical realm.
Sherlock Holmes. He is extremely intelligent, with his remarkable powers of deduction. He can observe the tiniest details and use them to solve the most complex mysteries. His mind is like a well - oiled machine, constantly analyzing and making connections that others miss.
Sherlock Holmes is often considered one of the smartest. His powers of deduction and logical reasoning make him stand out.
A character's intelligence in fiction can be measured by their knowledge base. Professor X from the X - Men has extensive knowledge of genetics, mutants, and telepathy. He uses this knowledge to lead the X - Men and protect mutants. Also, adaptability is important. A smart character like Katniss Everdeen in 'The Hunger Games' can quickly adapt to the changing and dangerous situations in the arena, using her wits and survival skills, which also indicates her intelligence.
L from 'Death Note' is extremely intelligent. He is able to track down the elusive Kira using his brilliant analytical skills. He can make connections between seemingly unrelated events and people. He goes to great lengths to gather evidence and is always thinking several steps ahead of his opponents.
Lex Luthor from Superman stories is highly intelligent. He's a brilliant scientist and businessman. He uses his intellect to try and defeat Superman, often coming up with complex plans that involve not just brute force but also psychological warfare and manipulation of public opinion against the Man of Steel.
Reed Richards (Mr. Fantastic) is often considered one of the smartest. His scientific and strategic brilliance help the Fantastic Four overcome many challenges.
Sherlock Holmes is often considered one of the smartest. His sharp deduction skills and ability to solve complex cases make him stand out.
In my opinion, Reed Richards (Mr. Fantastic) from the Fantastic Four is considered one of the smartest. His scientific and intellectual prowess allow him to solve complex problems and invent amazing technologies.
In my opinion, Doctor Who is extremely intelligent. He has knowledge of countless civilizations, sciences, and technologies from across the universe. He's able to outwit his enemies time and time again using his vast knowledge and quick thinking. His ability to understand and manipulate time and space also shows his high level of intelligence.
I think Sherlock Holmes is one of the smartest. His deductive reasoning and sharp observation skills always solve the most complex cases.
It's hard to say for sure. Different people might have different opinions. Some might think it's Tony Stark from Marvel Comics for his genius-level intellect and technological innovations.