The alias that Sheppard tries to use, Reed Richards, is the name of the leader of Marvel's Fantastic Four. Sheppard had mentioned these characters in a previous episode and compared them to his team.
On the Blu-ray disc commentary, director William Waring stated that the network wanted him to cut the line: [Larrin talking to Sheppard: via intercom] "We'll be fine as long as you don't shoot too early" and [muttering under her breath] "I'm sure that's not the first time you've heard *that* from a woman." Waring told the network: "Wait until you see how she plays it." He then specifically directed her (actress Jill Wagner): "Don't make it overtly sexual, throw it away." It wound up being the first line used in the promo for the season, which the network put together.
Ronon appears to have acquired his iconic gun from The Travelers.