More like fight the older version of Kang, while Nate eventually decided to go back to the future because he couldn't risk not becoming Kang. It wasn't a great situation. [ What an understatement. ]

After that was when the Skrull and Kree showed up to fight over Teddy. That eventually worked out okay, but... [ On reflection, okay was the wrong word here. Thigns were okay for Billy, but terrible for Teddy. ] No, not okay. Teddy's mom died, but Teddy got to stay on Earth instead of heading back to his people. Peoples. Both of them.