issue #2 - The government works to cover the remains of the experiment while the military is unable to stop the Zombie. Several characters are left wandering trying to get to safety or discover what has happened.
issue #3 - The government continues investigating and the military continues failing to stop the Zombie and multiple characters left in the middle.
issue #1 - Tony is attacked and becomes an unwilling participant in a government experiment about the Zombie Apocalypse. Few survive after the building explodes and Tony, now an apparent Zombie, encounters military who is unable to stop him.
issue #4 - Investigation becomes routine and unsuccessful. The invulnerable Zombie wanders somewhat mindlessly.