U2 has updated their tour page. It looks like these 4 shows are the only ones with presales next week:
Sevilla is a day earlier than the three German ones.
The presales for the week of 5 October are as follows:
Seville - Mon. 5 Oct. 10AM to Wed. 7 Oct. 12noon
Frankfurt - Tues. 6 Oct. 10AM to Thurs. 8 Oct. 12noon
Hannover - Tues. 6 Oct. 10AM to Thurs. 8 Oct. 12noon
Munich - Tues. 6 Oct. 10AM to Thurs. 8 Oct. 12noon
Sevilla is a day earlier than the three German ones.