Archer & Armstrong (1992), Volume 4

"If Killer Ninja Nuns Be My Destiny" A fanatical Middle-Eastern Sect leader, a pyromaniac Italian assassin, and a gaggle of ninja nuns chase Armstrong and his partner into the Sistine Chapel. They'll take the immortal's head if they have to burn the whole place down to do it! Meanwhile, back home in L.A., Armstrong's mysterious satchel of forbidden treasures falls from one set of wrong hands into another!