I don't know for now. Maybe we'll find out closer to the event or when there's more information available from Tom Holland or the Comic Con organizers.
Tom Holland has attended Comic Con in the past. It depends on his schedule and availability for any particular event. But he's no stranger to the Comic Con scene.
Meeting Tom Holland at Comic Con can be tricky. One way is to get VIP passes if available. Another is to join fan groups or forums to get insider tips. And don't forget to bring something for him to sign!