Gordon Freeman waterskiing on a hoverboard pulled either by Dog or by Alyx, driveby decapitating various trolls (Flare, Sonichu, Jim Profit, the bitch who keeps chasing Gnollbard, etc) with a weapon of your choice.
Bonus points for Unreal Tournament-style kill notices.
HEAD SHOT!
DOUBLE KILL!
RAMPAGE!
COMBO WHORE!
PAN-CAKE!
And for the final panel...Freeman nuking Gaia with a giant M-M-M-MONSTER KILL! KILL! KILL! across the top.