Following his surprise return at SummerSlam, here are three opponents Brock Lesnar must face if he is back in WWE for the long haul.

Brock Lesnar surprised and delighted fans at WWE SummerSlam Aug. 3 as he returned to the ring to face his wrestling foe, John Cena. Here's how the WWE kept his appearance a huge surprise.

Lesnar was named in a lawsuit against Vince McMahon and WWE alleging sexual abuse and trafficking, but was reportedly cleared by the company's lawyers four weeks ago.