With Superman's powers, Batman can expand his crusade far beyond Gotham. The Dark Knight starts fighting crime all around the world, letting the sun chase him as he follows the night.
He could still have the Bat motif, but the cape and gauntlets and steel toed boots would be gone. He'd probably have a lightweight ninja outfit on or something so he could utilize that spider-stickiness. He'd also have no sidekicks, as it would be improper for a superpowered being to tag team with an ordinary kid.
Believing that the world always needs a Superman, Kal-El complies while transferring his power to Batman who modifies his costume and expands his crimefighting crusade from Gotham City to encompass the whole world.
Batman is a human at peak physical training…but nowhere near Clark's level of power. Superman could defeat, or even kill, Bruce from so far a distance that Batman wouldn't know what hit him, before he died!
Enhanced Reflexes are Batman's extraordinary superpower. It's similar to having super-fast reflexes, helping him avoid attacks, move quickly, and always remain ahead of his enemies. Think if you were to catch a ball sans even looking – that's Batman, constantly on target and ready for action.
Aside from enhanced strength and speed, Cap also gained enhanced reflexes — enough to dodge bullets from point-blank range. While Batman, though more reflexive than an average human, just wouldn't cut it in the reflexes department. In a Batman vs Captain America reflex-combat, America would take the win.
Batman's lack of superhuman abilities makes him especially vulnerable to physical trauma, as his body cannot withstand continuous beatings without severe consequences. Batman's past trauma and lack of emotional healing make him easily manipulated by his enemies, who use his fears and personal losses against him.
Batman is, despite Superman's canonical power of super-intelligence, constantly shown as the smarter of the two in every intellectual sense. With good reason- Batman is widely regarded as the worlds greatest detective, and is even able to defeat the Riddler's traps, being one of the few people able to do so.
As it stands, Batman alone is helpless against cosmic level threats, much less against Thanos. Really, the best thing he could do is to ask for the Hellbat armor from the Justice League so he can survive Thanos' physical attacks. Even then, he'll still lose.
Half Kryptonian and half-human, Jon is the biological son of post-Crisis Superman/Clark Kent and Lois Lane and the couple's child in DC Comics canon. His parents named him in honor of his grandfathers, Jonathan Kent and Samuel Lane.
Superman, Cap and Hal transcend, it's just what they do. But Batman's will is stronger and more powerful. He endures, he commands, he wills it so, so it will be.
Spider-sense + spider reflexes + spider speed + spider strength, even Batman's martial arts skills are no match. Sure, he could land one lucky hit that could take Spidey out but statistically speaking, on paper he'd lose.
Incredibly, though, Batman has actually successfully defeated the Hulk. Back in 1981, relations between rival publishers DC and Marvel were in a good way, and the two had yet to come up with the idea their characters existed in different universes.
No, Batman is a human and Thor is literally a god. Much like Batman fighting Superman, it would be over before Batman could even register that he is dead. Thor can move far faster than a human can think.
In fact, Batman is known for his ability to take down teams all by himself. The Avengers is one of the most formidable teams in any comic universe, combining powerful heroes, great leadership, and more to take down all kinds of powerful foes. However, that doesn't mean they're unbeatable.
Genius Level Intellect: Batman is noted as having an I.Q. of 1045. Martial Arts: Batman is a master of martial arts from across the universe, able to catch the original Batman off-guard and defeat him with a single blow; he is also known to incorporate psychic attacks into his fighting style.
So is Ridder smarter than Batman? That's up for debate, but in the eyes of the Batman writer, that appears to be the case. It's not an outrageous claim, but the Dark Knight has a genius-level intellect, so it's definitely close if the Riddler is smarter overall.
Batman worries about things like his loved ones dying, failing to save Gotham, or his successors becoming evil. Unfortunately for the Dark Knight, these fears have often manifested in reality, with Bruce Wayne having to face his worst nightmares and push his mental limits.
Deathstroke, aka Slade Wilson, is one of Batman's most fearsome enemies. His combat prowess as well as tactical understanding, are unmatched. Deathstroke is a highly trained assassin and killer who, thanks to experimental military techniques, possesses unparalleled power, speed, as well as reflexes.
Batman's kryptonite is bullets. Turns out Batman has a human body made of flesh and bone, and is therefore vulnerable to bullets, knives, fire, acid, cold, disease, pressure, hypoxia, poison, electricity, drowning, lasers, explosions, radiation, falls, cancer, heart disease, wild dogs, meat grinders, and old age.
