Doctor Doom, Vol.1 #8

After regaining his throne, Doctor Doom presses his advantage and invades Symkaria with the intent to conquer and annex the entire nation. And with the Ultimate Nullifier in hand, he's able to keep the entire world at bay while he declares total war on the country that tried to overthrow him. Once the dust settles, he realizes he's humanity's last hope for preventing an unstable black hole from annihilating all of Earth...