There could be characters like Reed Richards. He is often in conflict with Doctor Doom. Richards represents the scientific and heroic side, which contrasts with Doom's more megalomaniac tendencies.
Well, usually in Lego Marvel Super Heroes, unlocking comic books can involve collecting special items, reaching certain levels, or fulfilling hidden requirements. Sometimes, it also depends on interacting with specific characters or locations in the game world.
Black Widow was an agent in the Marvel Universe. She was a woman with powerful combat abilities and superhuman physical strength. Black Widow was a former Soviet agent. She had received a lot of training, including weapon use, combat skills, stealth, and cracking codes. She was known for her keen observation skills, tenacious perseverance, and excellent combat skills. She often carried out dangerous missions and was one of the deadliest agents in the Marvel Universe.
Well, Naruto could potentially adopt Doctor Doom's sense of determination. In fanfiction, Naruto might become more calculating like Doom. He could start using his enemies' weaknesses more effectively, similar to how Doom strategizes against his foes.
One possibility in this fanfiction could be that Naruto's positive and determined nature clashes with Doctor Doom's tyrannical and power - hungry ways. Maybe Naruto is transported to Doctor Doom's world and tries to bring his sense of justice there. He might use his ninja skills to outwit Doom's high - tech defenses.