In my opinion, the key to playing Cyclops is realizing that he is starved for resources. Having no resource generators among his identity-specific cards, The X-Jet is almost mandatory (well, it is for most X-Men decks), but I'd also consider cards like X-Gene (even if Cyclops only has 6 identity-specific events), Clarity of Purpose if you're playing Leadership, and the recent Organizational Support. Once you've taken care of resource generation, you can focus on building the rest of the deck.
I don't consider Cyclops' ability to include X-men allies from any aspect to be particularly interesting, beneficial, or worth building around. Typically, you'll want to focus on your aspect's allies anyway to get the most out of your aspect's specific resource generators (The Power of...). Yes, a handful of X-men allies are so powerful that you'll want to include them even if from a different aspect (Polaris, Wolverine, Psylocke, Beast), but nothing unmissable.
Unfortunately, I think Cyclops remains a relatively mediocre hero, and I also think he's much better suited for Aggression decks than Leadership (as one might - and should - expect). Cards like Take That! are what really make Cyclops shine, and having a large number of allies is only beneficial with one of his signature offensive upgrades, Exploit Weakness and/or when using his Constant Training ability in combination with cards like "To me, my X-men!" to fish for allies. Clunky - and expensive - mechanics, although sometimes rewarding with the right draw.
Personally, I house-rule Cyclops in a way that makes his Ruby Quartz Visor much more relevant, a true signature item like Wolverine's Adamantium Claws or Captain America's Shield. As Scott Summers, instead of searching for a Tactic upgrade, his Constant Training reads as follows: "Action: Search your deck and discard pile for the Ruby Quartz Visor upgrade and add it to your hand. Shuffle your deck. (Limit once per round)."
