Specialist Fate Wouldn't Make It As A Reprobate in DC Comics For One Reason
Specialist Fate continually employments Latveria as a cover to ensure him from battling. That same trap won't work within the DC Universe and Batman demonstrates it.

Warning: SPOILERS for Black Adam #6
Within the Marvel Universe, Specialist Fate may be a debilitating scalawag, but a recent encounter between Dark Adam and Batman appears that on the off chance that Fate were within the DC Universe, he likely wouldn't have the same stature.
This hypothesis all stems from what has been going on with the tyrant of Kahndaq, the enchanted reprobate and now and then saint Dark Adam. In his current progressing arrangement, Dark Adam has had to bargain with being wiped out and having his mantle as winner move to one of his precursors, who is called White Adam. Moreover, Dark Adam moreover had to bargain with a few political consequences for his activities as a despot. He's indeed had to affirm some time recently a committee on the subject.
In Dark Adam #6 by Christopher Cleric and Vortex Pushcarts, Batman indeed steps up to undertake and halt Dark Adam's overbearing exercises. Wearing a suit of armor, Batman goes up against Dark Adam and tries to spur him into a battle. Some time recently confronting off in a confrontation, Dark Adam condemns Batman's intercessions in his nation. Bruce Wayne has been financing rebels within Black Adam's borders to undertake and oust his government and force majority rule decisions. Dark Adam counters by expressing that Bruce Wayne doesn't know what he's talking around which it is more troublesome and nuanced to all of a sudden give a individuals self-rule who have never had it some time recently.
Black Adam Faces More Political Pressure Than Doom

This discussion is exceptionally telling as to how Specialist Fate would be treated within the DC Universe. For the foremost portion, Specialist Fate may be a majestic pioneer inside the Wonder Universe. The Vindicators and other heroes think twice some time recently entering Latveria's borders and interferometer in Specialist Doom's nation. Captain America did it as of late, but it had nothing to do with Fate. He was chasing somebody else who fair happened to be within the nation, in spite of the fact that Fate did not take compassionate to the illicit passage. Moreover, when Fate was battling the Mech Vindicators, he withdrawn to inside his borders, and the Justice fighters wouldn't take after him.
Batman would have no place close the same regard for Doom's sway. It's ended up clear that he's impeccably fine subsidizing rebels inside Dark Adam's borders, so he would most unquestionably do the same for Fate. Batman pronounces that opportunity is never debatable, so he would consider Specialist Fate an interminable adversary until he was toppled. Batman doesn't have the same regard for universal law that Wonder heroes have, and so Specialist Fate would never be permitted to sit back and fair arrange for mastery the same way he can within the Wonder Universe. Batman's treatment of Dark Adam appears that if he were within the DC Universe, Specialist Fate would always be beneath risk of attack and so wouldn't be about as effective a scalawag.
Following: Specialist Fate May At long last Settle One Of His Greatest Quarrels, With A Bend