When Magneto and Green Goblin attack New York, The X-Men and Avengers join forces to take them down. With the battle won Peter asks Havok how he can thank him for saving his butt. "Never had web sex before." He replied smirking and rubbing the growing bulge in his pants.

 A nice zoomed in view from that time Dick walked in on Conner and Gar's afternoon fuckfest.