If you are looking to acquire Karven in Marvel Contest of Champions here are some important dates to mark on your calendar. Please note that Kabam can make changes to the Arena and Basic Pool release schedules, and all these dates are based on my understanding of their champion release process.
2-Star and 3-Star Kraven are available as Marvel Insider rewards this month.
12/9/21 – 1st Arena
2/8/22 – 5-Star Featured Crystal
4/19/22 – 6-Star Featured Crystal
5/3/22 – Basic Pool (Projected)
6/2/22 – Basic Arena (Projected)
7/26/22 – 6-Star Basic Crystal