Stephen is a sorcerer and helps the Avengers, he's married to Jax Stark, Tony starks oldest daughter. Stephen is madly in love with Jax and Jax loves Stephen with all her heart. Jax is a vampire as well.

Right now the team and Jax are watching Stephen and another dimensions Stephen fight, but no one can tell which is the real one. They both stand in front of Jax, but only the real Stephen will kneel for Jax, the other one wont and Jax knows it.