Tigra is the instructor of Arkansas  initiative. Razorback was later revealed to be a Skrull and he was killed by the Skrull Kill Krew. After the Skull War, the real Razorback joined the team.  Tigra has currently gone on the run with Gauntlet in an effort to stand against Norman Osborn's regime.
 

Current Roster  

Razorback - various gadgets and weapons