New bundle up:

For $1+:
The Darkness II
Spec Ops: The Line
Duke Nukem Forever

For average:
Sid Meier's Civilization V
NBA 2K16
Mafia II: Digital Deluxe Edition
Battleborn Summer Skins Pack
This tier will have bonus games.

For $15+:
Battleborn
Battleborn Platinum Currency
Borderlands: The Pre-Sequel

All tiers come with the following coupons:
10% off Humble Monthly for New Subscribers
40% off XCOM 2