Well, it could be simple. Peter could use his webs to swing Wonder Man around to strategic positions during a fight. For instance, if they are facing a group of flying enemies, Peter can attach his web to Wonder Man and then swing him into the middle of the enemies, using Wonder Man's super strength to cause maximum damage. It would be like a human - made projectile.
He could develop the ability to combine his chakra with his Spider - Man powers. For example, he could infuse his webs with chakra to make them stronger or even give them different properties like being able to cut through objects. Another new ability could be using his shadow clones in combination with his Spider - Man agility. He could send clones to different locations while swinging around with his webs, creating a more complex battle strategy.
In fanfiction, a really cool way to combine their powers would be on a more energy - based level. Iron Man's suit runs on various energy sources. Wonder Woman's powers are somewhat related to a more magical or divine energy. Maybe they could find a way to merge these two types of energy. For example, Iron Man could create a device that channels Wonder Woman's divine energy into his suit, giving it an extra boost. This could also lead to some new abilities for both of them. For instance, Wonder Woman might be able to fly for a short time using the technology - enhanced divine energy, and Iron Man's suit could gain some of the indestructibility that comes with Wonder Woman's powers.
Spider - Man's ability to climb walls and his spider - sense could be used in really creative ways when combined with Wonder Woman's super strength and flight. For example, Spider - Man could use his spider - sense to detect hidden threats while Wonder Woman flies him to a vantage point quickly. Then, he could use his wall - climbing ability to scale a building and get into a position for a surprise attack, while Wonder Woman provides cover from the air.
She has superhuman strength, which allows her to perform feats like lifting heavy objects and fighting powerful foes. For example, she can easily lift cars or even large boulders.
Spider - Man's spider - sense can warn him of incoming danger, which can be very useful when paired with Wonder Woman's combat skills. She can act on his warnings quickly and efficiently. For example, if they are in a battle against a group of villains, Spider - Man can sense an attack from behind and signal Wonder Woman, who can then use her bracelets to deflect the attack without even looking.
One new ability could be the power to heal quickly like some mutants. This would make him even more resilient in battles. He could also have the power to sense danger from a much greater distance. And perhaps he could have the ability to fly, not just by swinging on webs but by using some sort of mutant - based flight power. This would change the way he moves around the city and approaches crime - fighting.
Gamora is an expert assassin with incredible physical abilities. Iron Man's suit sensors could help her detect hidden enemies. And when it comes to Drax, his brute strength could be used in tandem with Iron Man's energy - based attacks. For example, Iron Man could weaken a target's defenses and then Drax could deliver a powerful final blow.
Spider - Man's web - slinging ability can be really useful for the Avengers. He could create webs to trap enemies, which would be a great addition to the Avengers' combat tactics. For example, when fighting against a group of fast - moving enemies like Ultron's drones, his webs can slow them down, giving the other Avengers like Captain America or Black Widow an easier time to take them out.
Spiderman's agility and ability to climb walls combined with Wonder Woman's super strength could make them an unstoppable team. For example, Spiderman could use his web - slinging to quickly get Wonder Woman to high vantage points, from where she can use her strength and lasso to take on enemies. Or in a fight, Spiderman can dodge attacks and then Wonder Woman can follow up with her powerful punches.