UPDATE (04/03/25, 6:30 PM GMT): That timer's now run out, and Activision has officially revealed Tony Hawk’s Pro Skater 3+4. It's confirmed that July 11 release date, and the different stuff you'll get if you buy or pre-order a standard edition, a digital deluxe edition, or a collctor's edition that comes with a "limited-edition full-size Birdhouse skateboard deck".
UPDATE: Surprise, Tony Hawk’s Pro Skater 3+4 officially revealed, along with a release date and a deluxe edition that'll make you shout 'Hell yeah' as you kickflip
Source: VG247 (opens in a new tab)