'Arrow' Season 2 spoilers: Felicity, secrets and the 'Suicide Squad'

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Lots of story remains to be told in "Arrow" Season 2. Will fans find out more on Felicity -- and will she and Oliver have some more flirting? Who else might learn Oliver's secret before the season finale? And what's up with the Suicide Squad.

Executive producer Marc Guggenheim recently provided a lot of hints to reporters.

The joys of Felicity and Olicity

An awful lot of fans regularly have questions about the Felicity/Oliver pairing colloquially known as Olicity. Those fans do not need to be worried: "You haven't seen the last of Olicity moments," says Guggenheim. "But at the same time, we're not going to just cram them in. ... We always try really hard to let the episode dictate to us what it wants to be."

Even if the audience doesn't get to watch much more Olicity, there's still Felicity to entertain us. What about her? Will there ever be more story? "We'll learn a little bit more about Felicity's parentage in future episodes," Guggenheim says. "Felicity has sort of become this little mystery box where we slowly delve and dole out pieces of information about her background and her life. That's proven to be an unexpected source of fun for us, and we'll continue to do so."

Who learns the Arrow's secret next?

Midway through Season 2, the following people are in on Oliver's secret identity: Diggle, Felicity, Sara, Roy, Slade Wilson, Malcolm Merlyn, Amanda Waller (because she knows everything), Barry Allen, Tommy (RIP) ...

And at least one more person is going to join Team Arrow by the Season 2 finale. "By the finale, more people will know than currently do," Gugghenheim says. "When people know, when members of our cast know, it draws them into Oliver's world and it draws them into the story more. So we tend to get more story out of people knowing than out of people not knowing."

What are the origins of the Suicide Squad?

It seems like "Arrow" has been building up to its "Suicide Squad" episode practically since the show premiered. But there apparently wasn't a single point when the producers made a final decision to bring out the big, criminal guns.

"It happened so organically, I don't have a memory of when it crystallized for us," Guggenheim explains. "We ended up having [Bronze Tiger's] story earlier than expected, in episode 2. Then we were like, we've kind of got Amanda Waller happening in episode 6, oh, and we had Deadshot last year -- that gives us two members of the Suicide Squad, three if you count Amanda. We just started whispering the words to each other."

As for the specific story coming with the episode, that springs from a desire to focus on Diggle. "We wanted to do a Lyla-Diggle story," the producer says. "What would be something good to have them fight about? Someone in the writers' room pitched, if Lyla was involved with the Suicide Squad, and Diggle was not approving of it, that would be a nice source of conflict between them."

"Arrow's" "Suicide Squad" episode airs Wednesday (March 19) at 8 p.m. ET/PT on The CW.

Photo/Video credit: The CW