So Alucard is just relaxing watching some good old Adventure Time on his 70" plasma screen TV when all of a sudden Iron Man blasts into the room and destroys his new television. This upsets Alucard and he decides to kill this intruder, but not before toying with him a little bit first. Iron Man received an anonymous tip about an evil demonic creature responsible for a multitude of reprehensible acts, and has resolved himself to kill it, he will show no quarter to Alucard, or his television. Alucard will not get permission to go to level 0 under any circumstance and at this point has not gained his omnipresence, Iron Man has come in his bleeding edge armor.
Location: This fight begins in the basement of the Hellsing estate, as seen in the Ultimate OVA episode 2. The fight may proceed anywhere within England after the commencement of the battle.
Conditions of Victory: Win only by death of either combatant, neither want to let the other live so they will not employ BFR for the victory.
*for those who don't get the reference (warning: mature content)