Grease the Air Fryer Basket and then slide inside.
Adjust the temperature of Air Fryer to 350 °F to preheat for 5 minutes.
Cut the bread loaf in half lengthwise and then cut each piece in half.
After preheating, arrange the bread pieces into the greased Air Fryer Basket.
Slide the basket into Air Fryer and set the time for 2 minutes.
After cooking time is finished, remove the bread pieces from Air Fryer and place onto a platter.
Repeat with remaining bread pieces.
Spread marinara sauce over each bread piece evenly and sprinkle with Italian seasoning, followed by cheese.
Again, arrange the bread pieces into the Air Fryer Basket.
Slide the basket into Air Fryer and set the time for 5 minutes.
After cooking time is finished, switch off the Air Fryer.
Remove the basket and immediately top each bread piece with pepperoni slices.
Immediately slide the basket into Air Fryer for 1-2 minutes.
Remove bread pieces from Air Fryer and set aside for about 1-2 minutes before serving.